The diameter of the wheel of a car is 70cm. How many revolutions will it make to travel 9 km
Answer please
Answers
ᕼᗴƳ ᗰᗩ丅ᗴ..!!
ᕼᗴᖇᗴ Ꭵᔕ ᑌᖇ ᗩᑎᔕᗯᗴᖇ..
Given it should travel 9 km = 9 ×1000×100 cm
= 900000 cm
now,radius = diameter/2
= 70/2
= 35 cm
now, circumference = 2π r
= 2×(22/7)×35
= 220 cm
it means, 220 cm = 1 revolution
then, 900000 cm = 900000/220
= 4090 revolutions
.
.
❤️❤️ HOPE IT HELPS.. MARK IT AS BRAINALIST PLZ.. ❤️❤️
✒✒✒✒ ANSWER ✒✒✒✒
Given it should travel 9km
=9×1000×100 cm
= 900000 cm
now,radius = diameter/2
= 70/2
=35 cm
now, circumference = 2π r
= 2×(22/7)×35
= 220 cm
it means, 220 cm = 1 revolution
then, 900000 cm = 900000/220
= 4090 revolution