The diameter of a circle is 8 kilometers. What is the circle's area? PLEASE HELP

asked Jul 4, 2022 22.8k views

5 votes

The diameter of a circle is 8 kilometers.

What is the circle's area?

PLEASE HELP

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7 votes

50.24

Explanation :
A= Pi x R^2
Radius is half of diameter
Half of 8= 4
4x4=16
3.14 x 16= 50.24

Smolesen answered Jul 6, 2022

9.0k points

5 votes

Answer:

$area = \pi {r}^(2) \\ = (22)/(7) * {( (8)/(2) )}^(2) \\ = 50.3 \: {km}^(2)$

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