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The circumference of a circle is 15 pi centimeters what is the area of the circle in terms of pi

User Mikerobi
by
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1 Answer

3 votes

Answer:

[225(pi)]/4

Explanation:

circumference = pi(diameter)

area = pi (radius)^2

Diameter = 2(radius)

15pi cm = pi(diameter)

divide both sides by pi

diameter = 15

radius = 7.5

Area = pi (7.5)^2

A = 56.25 pi

most teachers prefer fractions so

225pi/4

User Sungjun Cho
by
4.6k points