Asked by Drea
A bicycle tire has a radius of 8 inches. How many feet will the bicycle travel after 15 resolutions of the tire? Use 3.14 for pi.
Answers
Answered by
Drea
How do you solve this problem?
Answered by
oobleck
use the definition of pi
C = pi d
So, in one revolution, the tire moves a length equal to the circumference of the tire.
After 15 revolutions, the distance is
pi * d * 15 = 120 pi inches = 10 pi ft = 31.4 ft
C = pi d
So, in one revolution, the tire moves a length equal to the circumference of the tire.
After 15 revolutions, the distance is
pi * d * 15 = 120 pi inches = 10 pi ft = 31.4 ft
Answered by
Anonymous
Use to formula C=2(PI)r
C=2(3.14)8
C=6.28(8)
C=50.24
Then multiply the circumference by 15.
50.24x15=753.6in
The because since your answer is in inches you must now convert it to feet.
753.6in= 62.8 feet
Therefore, your answer is 62.8 ft.
Hope this helped!
C=2(3.14)8
C=6.28(8)
C=50.24
Then multiply the circumference by 15.
50.24x15=753.6in
The because since your answer is in inches you must now convert it to feet.
753.6in= 62.8 feet
Therefore, your answer is 62.8 ft.
Hope this helped!
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