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What is the circumference of a round pizza with an area of 36 square inches?
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1 vote
What is the circumference of a round pizza with an area of 36 square inches?

User Vikas Prasad
by
7.3k points

2 Answers

4 votes
Knowing that your area is:
A= (pi) r^2 = 36 in^2

You can find the radius as:
r= (sqrt) 36/pi = 3.4 in

With this you can evaluate the circumference as:
C = 2(pi)r = 2 x 3.14 x 3.4 = 21.3 in

Answer: 21.3 in
User Alex Oliveira
by
7.5k points
0 votes
Using the formulas
A=πr2
C=2πr
Solving forC
C=2πA

Your answer: 21.27
User Yea
by
7.4k points
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