Question

1.) What is the area of the circle shown below?
10cm

Answer 1

A = 78.5 cm²

Explanation:

the area (A) of the circle is calculated as

A = πr² ( r is the radius )

here diameter = 10 cm , then r = 10 cm ÷ 2 = 5 cm , so

A = π × 5² = 25π ≈ 78.5 cm² ( to the nearest tenth )