# Planimetrics - math problems

Study plane measurements, including angles, distances, and areas. In other words - measurement and calculation of shapes in the plane. Perimeter and area of plane shapes.#### Number of problems found: 2136

- Area of square

Calculate the content area of the square whose perimeter is 24 dm. - The equator

Calculate the length of the equator. Calculate a radius of 6378 km. Round to the nearest thousand. - Procedure and calculation - Rhombus 29

One of the diagonals of a rhombus is equal to a side of the rhombus. Find the angles of the rhombus. - Triangle

Determine if it is possible to construct a triangle with sides 28 31 34 by calculation. - Diameter to area

Find the area of a circle whose diameter is 26cm. - Fence

How many meters of fencing it is required to purchase if our garden is rectangular measuring 20 m and 180 dm. - Acreage

Plot has a diamond shape, its side is 25.6 m long and the distance of the opposite sides is 22.2 meters. Calculate its acreage. - Meridian

What is the distance (length) the Earth's meridian 23° when the radius of the Earth is 6370 km? - Paper cut

How many 9 cm^{2}figures can we cut from 36 dm^{2}paper? - One side

One side is 36 long with a 15° incline. What is the height at the end of that side? - Center

Calculate the coordinates of the center of gravity T [x, y] of triangle ABC; A[11,4] B[13,-7] C[-17,-18]. - Distance problem 2

A=(x,2x) B=(2x,1) Distance AB=√2, find value of x - Hyperbola equation

Find the hyperbola equation with the center of S [0; 0], passing through the points: A [5; 3] B [8; -10] - Trio 2

Decide whether a trio of numbers is the side of a right triangle: 26,24,10. - Plot

The land is in the shape of a square with a dimension of 22 meters. How much will we pay for the fence around the entire plot? - 4-gon

It is true that a 4-gon whose two sides are parallel and the other two has equal length, is a parallelogram? - Perimeter to area

Calculate the area of a circle with a perimeter of 15 meters. - Area of rectangle

Calculate the rectangle area in square meters whose sides have dimensions a = 80dm and b = 160dm. - A rectangle 4

A rectangle has area 300 and perimeter 80. what is the ratio of the length and width? - Find parameters

Find parameters of the circle in the plane - coordinates of center and radius: ?

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