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39 votes
39 votes
The circumference of a circle is 7π ft. What is the area, in square feet? Express your answer in terms of

π

User Thody
by
3.0k points

2 Answers

10 votes
10 votes

Answer:

the answer is

12.25π ft

User Jofre Mateu
by
2.7k points
28 votes
28 votes

Answer:

49/4 π sq feet

Explanation:

The circumference is the distance around a circle. The formula for circumference is:

C = πd

d stands for diameter. The circumference was given, 7π.

C = πd

= 7π

The diameter is 7. This is double the radius. The radius is half the circumference, so this radius is 7/2.

The area of the circle is:

Area = πr^2

= π(7/2)^2

= π(49/4)

=49/4 π

The area is 49/4 π

square feet.

User Diego Borba
by
3.3k points