Find the area of a circle with diameter of 42 inches. Round to the nearest tenth.

Question

asked Nov 28, 2021 205k views

2 Answers

Misam · Answer 1 · 2021-12-05T03:36:16+0000

Answer:

1386.4 in^2

Explanation:

area of circle formula pi*r^2

where r=radius

radius also equals diameter over 2

so

42/2=21

radius is 21

so

pi*21^2=1385.44236023

Hope this helps!