Question

the diameter of the wheel of a car is 70cm . how many Revolution will it make to travel 1.65 kilometre .​

answer in the book is 750

Answer 1

Answer:

Radius=d/2=70/2=35cm

Perimeter of circle wheel=2πr

2×22/7×35=2×22×5=220cm

Number of round=165×1000×100/220×100

=15×100/2=15×50=750

Step-by-step explanation:

Answer 2

Answer:

Radius=35cm

Perimeter =2×22/7× 35

=220 cm.

No. of revolutions=165×1000×100/220×100

= 750

Hope it helps.

Please mark as BRAINLÌEST..