Question

A circle has a radius of 23 centimetres.
Work out an estimate for the area of the circle.

Answer 1

Answer: 1.662E-7 square kilometers

Explanation:

A circle of radius = 23 or diameter = 46 or circumference = 144.5 cm has an area of: 1.662E-7 square kilometers (km²) 0.1662 square meters (m²)