Area of a shape - practice for 14 year olds
Number of problems found: 776
- Equilateral triangle
Find the area of an equilateral triangle with a side of 15 cm. - Quatrefoil
Calculate the quatrefoil area, inscribed in a square with a side of 6 cm. - Squaring the Circle
Find the side of the square with the same area as the circle of radius 18. - Isosceles triangle
Calculate the area of an isosceles triangle, the base measuring 16 cm and the arms 10 cm. - Right triangle
Right triangle ABC with side a = 19 and the area S = 95. Calculate the length of the remaining sides. - Circumference 47983
What is the area of an equilateral triangle with a circumference of 63 cm? - Circles
The area of a circle inscribed in a square is 14. What is the area of a circle circumscribed around a square? - Equilateral 37341
Calculate an equilateral triangle's perimeter and area with a side of 20 dm. - Share 5
Share 30 oranges between Shola and Ade in the ratio 2:3. Find Shola's share and Ade's share. - Triangle
Calculate the triangle's heights ABC if the triangle's sides are a=82, b=44, and c=53. - One-fifth 80438
By what percent does the area of a square increase if its perimeter increases by one-fifth? - Diagonal 2738
ABCD square has a diagonal length of 8 cm. What is the area of the square? - Area of a rectangle
Calculate a rectangle area with a diagonal of u = 12.5cm and a width of b = 3.5cm. Use the Pythagorean theorem. - 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. - Radius
Determine the circle's radius if its perimeter and area are the same numbers. - Circumference 2598
Calculate the circumference and area of the parallelogram ABCD, if a = 72cm and v = 4.3cm b = 6cm - 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?
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