Question

A bicycle wheel makes 5000 revolution in moving 11 km find thr diameter of wheel

Answer 1

Answer:

Step-by-step explanation:

5000 revolutions=11000 m

1 revolution=11000/5000 m

circumference=11/5 m

2πr=11/5

πd=11/5

22/7×d=11/5

d=11×7/(5×22)

d=11×7/110

d=7/10 m

d=0.7 m

d=0.7×100 cm

d=70 cm

Answer 2

Answer:

The diameter is 70 cm

Step-by-step explanation:

Let the radius of the wheel be r cm.

Distance covered by the wheel in one revolution =  

5000

11

​  

 km = 220 cm

2πr=220

2×  

7

22

​  

×r=220

r=35 cm

Diameter = 2r=70 cm

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