Question

The radius of a circle is 3 km. what is the circle's area and what is the formula you have to use?

Answer 1

Circle's area = 28,26 km

Formula = π r²

Explanation:

`circle's \: \: area = \pi \: {r}^(2) \\ circle's \: \: area = 3,14 * {3}^(2) \\ circle's \: \: area = 28,26 \: km \\ circle's \: \: area = 28.260 \: m`