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nika2105 [10]
3 years ago
9

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

Mathematics
2 answers:
Sliva [168]3 years ago
8 0

Answer:

1386.4 in^2

Step-by-step 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!

Zolol [24]3 years ago
7 0

Answer:

1386.4 in^2

Step-by-step explanation:

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