The radius of the wheel of a bike is 28cm. Find how much area it can cover in 100 revolution if the width of the wheel is 10cm
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7
hey mate... apply the formula for curved surface area of cylinder.
it is 2πrh
so,
the curved surface area for one rotation= 2×22/7×28×10
=2×88× 10
=176×10
=1760 sq. cm
now for 100 rotations,
area covered will be 1760×100
=176000 sq. cm
Answered by
0
Answer:
Curved surface area for one revolution=2πrh
2×22/7×28×10sq.unit
2×88×10sq.unit
176×10sq.unit
1760sq.unit
Now for 100 revolution
area covered will be
1760/100=17.6sq.unit
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