Question

The area of a circle is 154cm square find its diameter

Answer 1

please mark this answer as a brain list answer

Answer 2

Area of circle = πr²

154 = 22 × r² / 7

154 × 7 / 22 = r²

49 = r²

7cm = r

Diameter = 2 × radius

= 2 × 7

= 14cm

therefore, diameter of circle is 14cm