What can be cooked from squid: quick and tasty

The correct answer is None, because square meter and running meter are units of measurement of different categories. Square meters measure the surface area, and linear meters - only the length of the product.

Below we will analyze the concepts of square and running meter

Square meter (sq.m; m2) in the International System of Units (SI), it is the area of ​​a square whose side is 1 meter. In square meters, the surface area of ​​walls, floors, real estate objects is measured, where the area, for example, an office or apartment is equal to the floor area. Or if you need to calculate the amount ceramic tiles on the wall or linoleum on the floor, you need to multiply the length by the height and we get the surface area in square meters. Although linoleum itself is sold in running meters, more on that below.

Square meters (m2) are used in ...

• Measurement of buildings, houses, apartments, premises;
• Measurement of facing and flooring materials;
• Measurement of decking surfaces of roofs, floors;
• Measurement of the area occupied by equipment, furniture

The concept of a running meter

Square meters can be converted into running meters and simply into meters - it is NOT POSSIBLE!

Running meter (roll material, product, fence, furniture) Is the length independent of the width. Since the price of the material is included in the cost of 1 running meter of carpet, linoleum or lining. A running meter of linoleum 3 meters wide will naturally be more expensive than linoleum 2.5 meters wide.

Sometimes, in the manufacture of kitchen furniture, for the convenience of calculations, they also use running meters. For example, the manufacturer considered that Kitchen Cabinet 3 meters long and 60 centimeters wide with the required number of shelves, drawers, doors will cost 1200 dollars at the rate of the National Bank. And as you know, the kitchens in our apartments are different, mostly small, so the manufacturer sets the price for 1 running meter $ 400. The customer only fits 2.5 meters. The standard equipment, the placement of shelves, boxes are discussed and the price of $ 1000 is displayed.

400 $ x 2.5m = 1000 $

Line meters are used to measure:

• Flooring roll materials(roll of fabric, carpets, linoleum ...);
• Boards, lining, block house, baseboards, sometimes pipes, fittings;
• Cost is the price of furniture (kitchen) with standard equipment and fittings.

How to calculate linear meters to square meters and vice versa

Example 1

To translate square meters in linear meters, you need to know the length and width of the product (material) that is sold in linear meters.

We need to lay 12 m2 of linoleum in the kitchen, and in the store they are sold in running meters, but with a width of 2.5m, 3m or 4m. It would be better to buy 4 running meters of linoleum 3 meters wide or 3 running meters 4 meters wide:

4m (length) x 3m (roll width) = 12 square meters
3m (length) x 4m (roll width) = 12 square meters

In this particular case, 12 square meters is equal to 3 or 4 running meters, but this cannot be considered, because the width must always be taken into account.

Example 2

Let's take the same example with kitchen furniture 2.5 running meters. We need to find out the floor area that our kitchen furniture covers. To do this, we multiply the length of 2.5 m by the width of the kitchen wall 0.6 meters, and we get 1.5 square meters - this is the area occupied by our furniture in the kitchen.

Example 3

To finish the bath, we need to buy 65 m2 of lining. It is sold in 3 meters length at a price per running meter. It is necessary to calculate how many running meters are needed for 65 m2.
Our board (lining) has dimensions of 300 x 10 x 0.5 cm or 3m x 0.1m x 0.005m. We multiply the length by the width in meters and we get the area of ​​one board (0.3 m2):
3m x 0.1m = 0.3 m2
Now we will find out how many boards are needed for 65 m2. To do this, we divide 65 m2 by the area of ​​1 board:
65: 0.3 = 216.67 or 217 boards (lining)
The lining (board) is 3 meters long, so we need to buy 651 running meters.
217 x 3 = 651 m / p

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1 square meter [m²] = 1,000,000 square millimeters [mm²]

Initial value

Converted value

square meter square kilometer square hectometer square decameter square decimeter square centimeter square millimeter square micrometer square nanometer hectare ar barn square mile sq. m. mile (US Survey) square yard square feet sq. ft (USA, survey) square inch circular inch Township section acre acre (USA, survey) ores square chain square genus genus² (USA survey) square perch square genus sq. thousandth circular mil homestead sabin arpan cuerda square Castilian elbow varas conuqueras cuad electron cross section tithe (official) tithe household round square verst square arshin square foot square fathom square inch (Russian) square line Planck square

Sound pressure level

More about the area

General information

Area is the size of a geometric figure in two-dimensional space. It is used in mathematics, medicine, engineering, and other sciences such as computing. cross section cells, atoms, or tubes such as blood vessels or water pipes... In geography, area is used to compare the sizes of cities, lakes, countries, and other geographic features. Area is also used when calculating population density. Population density is defined as the number of people per unit area.

Units

Square meters

Area is measured in SI units in square meters. One square meter is the area of ​​a square with a side of one meter.

Unit square

A unit square is a square with sides of one unit. The area of ​​a unit square is also equal to one. In a rectangular coordinate system, this square is located at coordinates (0,0), (0,1), (1,0) and (1,1). On the complex plane, the coordinates are 0, 1, i and i+1 where i is an imaginary number.

Ar

Ap or weaving, as a measure of area, is used in the CIS countries, Indonesia and some other European countries, to measure small urban objects such as parks, when a hectare is too large. One ar is equal to 100 square meters. In some countries, this unit is called differently.

Hectare

Real estate is measured in hectares, especially land. One hectare equals 10,000 square meters. It has been used since the French Revolution, and is used in the European Union and some other regions. Just like the are, in some countries a hectare is called differently.

Acre

V North America and Burma area is measured in acres. Hectares are not used there. One acre is equal to 4046.86 square meters. An acre was originally defined as the area that a peasant with a team of two oxen could plow in one day.

Barn

Barns are used in nuclear physics to measure the cross section of atoms. One barn is equal to 10⁻²⁸ square meters. Barn is not a unit in the SI system, but it is accepted for use in this system. One barn is approximately equal to the cross-sectional area of ​​the uranium nucleus, which physicists have jokingly called "huge as a barn." The barn in English is "barn" (pronounced barn) and from a joke of physicists this word became the name of a unit of area. This unit originated during World War II, and scientists liked it because its name could be used as a code in correspondence and telephone conversations within the framework of the Manhattan Project.

Area calculation

The area of ​​the simplest geometric figures is found by comparing them with the square of a known area. This is convenient because the area of ​​a square is easy to calculate. Some formulas for calculating the area of ​​geometric figures, given below, are obtained in this way. Also, to calculate the area, especially a polygon, the figure is divided into triangles, the area of ​​each triangle is calculated using the formula, and then added. The area of ​​more complex shapes is calculated using mathematical analysis.

Area formulas

• Square: side squared.
• Rectangle: the product of the parties.
• Triangle (side and height known): the product of the side and the height (the distance from that side to the edge), halved. Formula: A = ½ah, where A- square, a- side, and h- height.
• Triangle (two sides and the angle between them are known): the product of the sides and the sine of the angle between them, divided in half. Formula: A = ½ab sin (α), where A- square, a and b are the sides, and α is the angle between them.
• Equilateral triangle: side squared divided by 4 and times the square root of three.
• Parallelogram: the product of the side and the height, measured from this side to the opposite.
• Trapezium: the sum of two parallel sides times the height and divided by two. Height is measured between the two sides.
• Circle: product of the square of the radius and π.
• Ellipse: product of semiaxes and π.

Calculating surface area

You can find the surface area of ​​simple volumetric figures, such as prisms, by unfolding the figure on a plane. It is impossible to obtain a sweep of the ball in this way. The surface area of ​​the ball is found using the formula by multiplying the square of the radius by 4π. From this formula it follows that the area of ​​a circle is four times less than the surface area of ​​a ball with the same radius.

Surface areas of some astronomical objects: Sun - 6.088 x 10¹² square kilometers; Earth - 5.1 x 10⁸; thus, the surface area of ​​the Earth is about 12 times less than the surface area of ​​the Sun. The lunar surface area is approximately 3.793 x 10⁷ square kilometers, which is about 13 times less than the Earth's surface area.

Planimeter

The area can also be calculated using a special device - a planimeter. There are several types of this device, for example, polar and linear. Also, planimeters are analog and digital. In addition to other functions, a scale can be entered into digital planimeters, making it easier to measure objects on a map. The planimeter measures the distance traveled along the perimeter of the measured object, as well as the direction. The distance traveled by the planimeter parallel to its axis is not measured. These devices are used in medicine, biology, engineering, and agriculture.

Theorem on the properties of areas

According to the isoperimetric theorem, of all figures with the same perimeter, the circle has the largest area. If, on the contrary, we compare figures with the same area, then the circle has the smallest perimeter. The perimeter is the sum of the lengths of the sides of a geometric shape, or a line that marks the boundaries of that shape.

Geographic features with the largest area

Country: Russia, 17,098,242 square kilometers, including land and water. The second and third largest countries are Canada and China.

City: New York is a city with the most large area 8683 square kilometers. The second largest city is Tokyo, which occupies 6993 square kilometers. The third is Chicago, with an area of ​​5,498 square kilometers.

City Square: The largest area, covering 1 square kilometer, is located in the capital of Indonesia, Jakarta. This is Medan Merdeka Square. The second largest area of ​​0.57 square kilometers is Praça doz Girazois in Palmas, Brazil. The third largest is Tiananmen Square in China, 0.44 square kilometers.

Lake: Geographers dispute whether the Caspian Sea is a lake, but if so, it is the largest lake in the world with an area of ​​371,000 square kilometers. The second largest lake is Lake Superior in North America. This is one of the lakes of the Great Lakes system; its area is 82,414 square kilometers. The third largest lake is Lake Victoria in Africa. It covers an area of ​​69,485 square kilometers.

Notes to Table 1.

Choose a tape measure or measuring tape. Choose a tape measure or measuring tape with graduations in centimeters (cm) or meters (m) on it. This device will make it easier to calculate the area in square meters, since they were designed in the same measurement system.

• If you can find a tape measure in feet or inches, measure the area using the available units, then go to the step for how to convert other units to square meters.

Measure the length of the area you selected. Square meter is a unit of measure for the area or size of a two-dimensional object such as a floor or field. Measure the length of one side from one corner to the other and record the result.

• If the length is more than one meter, then count both meters and centimeters. For example, 2 meters 35 centimeters.
• If the object you are measuring is not a rectangle or square, then read the third section of this article - "Measuring the area of ​​complex shapes".