Question

the diameter of a bicycle wheel is 63cm .how much distance will cover in 20 revolution

Answer 1

d=63cm
d=2r
63/2=r

C=2πr
C=2×22/7×63/2
C=198

Distance=Circumference×Revolution
Distance=198×20
Distance=3960cm

Answer 2

It will cover 3960 cm in 20 revolutions

Step-by-step explanation:

Diameter of wheel = 63 cm

Radius of wheel =$\frac{63}{2}=31.5 cm$

Circumference of wheel = $2 \pi r = 2 \times \frac{22}{7} \times 31.5 = 198 cm$

Distance covered in 1 revolution = 198 cm

Distance covered in 20 revolution =$198 \times 20 = 3960 cm$

Hence it will cover 3960 cm in 20 revolutions

#Learn more:

The radius of a wheel is 63cm find the distance covered by the wheel in 100 revolutions

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