Question

Area of circle whose radius is equal to the length of side of square with area 16sq cm?

Answer 1

Solution!!

The radius of the circle is equal to the length of the square whose area is given. We have to find the area of the circle. To do so, we need to find the side of the square.

Area of square = 16 cm²

Area = (Side)²

16 cm² = (Side)²

√(16 cm) = Side

Side = 4 cm

Side of the square = Radius of the circle

Radius of the circle = 4 cm

Now that we know the radius, we can easily find out the area of the circle.

Area of circle = πr²

Area = (22/7) × (4 cm)²

Area = (22/7) × 16 cm²

Area = 352/7 cm²

Area = 50.27 cm² or 50(2/7) cm²