Question

The diameter of a circle is 14.2 kilometers. What is the circle's area?

Use 3.14 for and round your answer to the nearest hundredth.

Answer 1

A ≈ 158.37km²

Explanation:

Using the formulas

A=πr2

d=2r

Solving forA

A = 1 /4πd 2

= 1 /4·π·

14.22 ≈ 158.36769km²

Therefore, the are of the circle in nearest hundredth is A ≈ 158.37km²