Examples of area of plane shapes - page 12 of 135
Number of problems found: 2697
- Isosceles triangle
Calculate the area of an isosceles triangle, the base measuring 16 cm and the arms 10 cm. - Square perimeter calculation
The area of the floor plan is 5400 m². What will be the perimeter of the square floor plan? - Square area calculation
The town square has the shape of a square measuring 510 meters. What is the size of this square? - Squares
A square of 12 dm perimeter is cut into smaller squares, whose side is the third side of the square. What is the area of the rest? - Area of a rectangle
Calculate a rectangle area with a diagonal of u = 12.5 cm and a width of b = 3.5 cm. Use the Pythagorean theorem. - Annular area
The square with side a = 1 is inscribed and circumscribed by circles. Find the annular area. - Stone square drawing
They drew two stone squares out of 25 stones. Not a single stone must remain. - Rectangle - area, perimeter
The area of a rectangular field is equal to 300 square meters. Its perimeter is equal to 70 meters. Find the length and width of this rectangle. - A rectangle
A rectangle has an area of 36 cm². What could the length and width of the rectangle be? - Inscribed circle
The circle inscribed in a triangle has a radius of 3 cm. Express the area of the triangle using a, b, and c. - Side of a square
What is the length of the side of a square when its area is 64 cm square? - Circle - easy 2
The circle has a radius of 6 cm. Calculate its diameter, perimeter, and area: - Annulus
Calculate the area of two circles annulus k1 (S, 3 cm) and k2 (S, 5 cm). - Interesting property
Plot a rectangular shape has the interesting property that perimeter in meters and the area in square meters are the same numbers. What are the dimensions of the rectangle? - Circles
The area of a circle inscribed in a square is 7. What is the area of a circle circumscribed around a square? - Radius
Determine the radius of a circle whose circumference and area are numerically equal. - Carpet area
How many meters of carpet 3 meters wide are needed to cover a square floor with a area of 36 square meters? - Garden hedge area
The square-shaped garden has a hedge on three sides. Its length is 36 meters. What is the area of the garden in m²? - Square perimeter increase
By what percent does the area of a square increase if its perimeter increases by one-fifth? - Isosceles triangle
Find the area of an isosceles triangle whose leg is twice the base, b=1
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