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Help?

a) Circumference = 2πr
= 2π(2.5 ft)
= 5π ft

b) Circumference of tire = 5π ft
Distance traveled in 1 rotation = 5π ft
Number of rotations to travel 1 mile = 5,280 ft / 5π ft
= 1056/π rotations
≈ 333.5 rotations

User Stanley S
by
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1 Answer

6 votes

Answer:

The area of the circle is equal to

Explanation:

we know that

The area of circle is equal to

where

r is the radius of the circle

In this problem we have

substitute

User Bob Mazanec
by
8.5k points

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