Area of a shape - practice for 13 year olds - page 4 of 46
Number of problems found: 911
- Diagonal 2738
ABCD square has a diagonal length of 8 cm. What is the area of the square? - The ratio
The ratio of the lengths of the two circles is 5:2. Find the ratio of a a) the radii of these circles b) the areas for these circles - 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. - 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. - Area decrease
If the area of the square decreases by 19%, by how much percent does the side of the square decrease? - Rhombus
PQRS is a rhombus. Given that PQ=3 cm & height of rhombus is given 2 cm. Calculate its area. - Radius
Determine the circle's radius if its perimeter and area are the same numbers. - Circumference 61654
The diamond has an area of 21.6 cm square. Its height is 4 cm. What is the circumference of the diamond? - Circumference 2598
Calculate the circumference and area of the parallelogram ABCD, if a = 72cm and v = 4.3cm b = 6cm - Square room 2
A square room has a floor area of 144 square feet. The height of the room is 6 feet. What is the area of one wall? - Mysterious area
The trapezoid ABCD is given. Calculate its area if the area of the DBC triangle is 27 cm². - Equilateral triangle
Calculate the area of an equilateral triangle with a circumference of 72cm. - Equilateral triangle
The equilateral triangle has a 23 cm long side. Calculate its area. - Equilateral triangle v2
An equilateral triangle has a perimeter 36 dm. What is its area? - The star
Find the area of the shaded part of the square with a side of 22 cm. - Diamond
The rhombus has a side 17 cm and one diagonal 22 cm long. Calculate its area. - Rhombus diagonal
The area of a rhombus is 224. One diagonal measures 33. Find the length of the second diagonal. - Triangle
Calculate the area of the right triangle ΔABC if one leg is long 14 and its opposite angle is 59°. - Dimensions 42501
Find at least six different dimensions (in meters) of a rectangle with a capacity of 20 m2 - Inscribed 7018
The dragon has the shape of a regular hexagon inscribed in a circle with a radius of 20 cm. What is the area of the dragon?
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