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A circle has a diameter of 30 inches. What is the area of the circle?
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5 votes
A circle has a diameter of 30 inches. What is the area of the circle?

User Netzpirat
by
4.1k points

2 Answers

5 votes
A≈706.86in²
d Diameter

in
Unit Conversion:
d=30in
Using the formulas
A=πr2
d=2r
Solving forA
A=1
4πd2=1
4·π·302≈706.85835in²
User Dlamotte
by
4.2k points
4 votes
the area of a circle is pi•r^2
the radius is half the diameter so 30/2=15
pi is 3.14
so the area=3.14•(15^2)=706.5in^2
User Brendan Kidwell
by
3.7k points
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