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A trampoline has an area of 49 pi square feet. What is the diameter of the trampoline?

A trampoline has an area of 49 pi square feet. What is the diameter of the trampoline?
asked 76.5k views
4 votes
A trampoline has an area of 49 pi square feet. What is the diameter of the trampoline?

asked
User Vishnu Y
by
8.6k points

1 Answer

3 votes
Assuming that the trampoline is circular in shape, we can use the formula

a=r^2π.
We plug in a for 49π.
Now, we solve by isolating for r. You should get
r=7
The diameter is two times the radius. So 7*2=14.
answered
User Giuseppe Salvatore
by
8.8k points
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