A circle has a diameter of 10 cm. What is the area of the circle? Use 3.14 for π. Round your answer to one decimal place.

Question

asked Dec 16, 2019 126k views

1 Answer

Ankush Rishi · Answer 1 · 2019-12-20T23:33:18+0000

area = 78.5 cm²

The area ( A) of a circle = πr² ( where r is the radius )

here diameter = 10 cm ⇒ r =
(10)/(2) = 5

A = 3.14 × 5² = 78.5 cm²