Examples of area of plane shapes - page 14 of 129
Number of problems found: 2576
- Ratio of sides 2
The ratio of the side lengths of one square to another is 1:2. Find the ratio of the area of the two squares. - Diagonal to area
Calculate the area of a rectangle in which the diagonal length is 10 cm. - Equilateral triangle
The equilateral triangle has a 23 cm long side. Calculate its area. - Parallelogram ABCD
Calculate the area and perimeter of the ABCD parallelogram with side a = 2.7 m, height to side a - va = 0.8 m, and b = 1.9 m. - Perimeter from area
What is the perimeter of the square if its area is 64 cm²? - Square and rectangle
Calculate the side of a square, which area equals the area of the rectangle having a length of 3 cm greater and by 2 cm smaller than the side of the square. - Quatrefoil
Calculate the quatrefoil area, inscribed in a square with a side of 6 cm. - Cinema 4
In the cinema, there are 1656 seats; in the last row, there are 105 seats; in each next row, there are 3 fewer seats. How many are the total rows in the cinema? - Circle - easy 2
The circle has a radius of 6 cm. Calculate its diameter, perimeter, and area: - CD disc
A compact disc has a diameter of 11.8 cm. What is its surface area in square centimeters? - Rhombus diagonal
The area of a rhombus is 790. One diagonal measures 45. Find the length of the second diagonal. - Parallelogram
Calculate the area and perimeter of a parallelogram whose two sides are long a=18 cm b=14 cm and height ha = 2 cm long. - Rhombus
Find the length of the other diagonal and the area of the rhombus. The perimeter of a rhombus is 56 cm, and one of the diagonals is of length 14 cm. - Right triangle
Right triangle ABC with side a = 10 and the area S = 50. Calculate the length of the remaining sides. - Rhombus problem
The perimeter of the rhombus is 268 m, and its area is 2278 m². Calculate the height of the rhombus. - Centimeters 72134
The area of the square is equal to 1024 square centimeters. Calculate the perimeter of the square and the length of the side a. - Circumference 46181
Calculate the area of a circle that has a circumference of 314 cm. - Dimensions 23001
What dimensions can rectangles with an area of 24 cm square have? - Calculate 7329
Calculate the length of the side of a square in cm, the area of which is 48 cm square. - Percentage 4138
What percentage does the white color on the Czech flag occupy?
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