Question

Find the area of the circle with the given radius or diameter. Use "3,14" for π(Pi). Round your answer to the nearest tenth

Diameter=42 mm

Answer 1

Explanation:

Unit Conversion:

d=0.042m

Using the formulas

A=πr2

d=2r

Solving forA

A=1

4πd2=1

4·π·0.0422≈1.38544×10-3m²

Answer 2

I agree with guy above it was correct thank you