Question

Find the area of a circle with a circumference of 6.28 units. units2

Answer 1

Answer:

$circumference = 2\pi r\\\\6.28 = 2\pi r\\\\r = \frac{6.28}{2\pi}$

$Area = \pi r^2 = \pi (\frac{6.28}{2\pi} )^{2} = \frac{6.28 \times6.28}{4\pi} = 3.14 square \ units$