A wheel makes 1000 revolutions in covering a distance of 88 km. Find the radius of the wheel.
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2
Answer:
area of circle =pie r^2
perimeter of circle =2pier =2*22/7*r=1000*88*18/5=
r=1000*88*18/5*1/2*7/22=50.4
Answered by
6
Just convert the unit to meter for convenience.....
Circumference of circle = 2 pi R
Distance covered = 88000 m
Revolution = 1000.. So
Revolution = distance covered/ circumference
1000 = 88000/2 Pi R
That gives.... R = 44/ Pi
That is... R= 2*7 =14 m.. That's it
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