the diameter of a cycle wheel is 21 cm how many Revolution will it make to travel 1.98 km
Answers
Answered by
16
Hello ☺✌
Circumference = 2 × 22/7 × r
= 2 × 22/7 × 21/2 cm
= 66 cm
Convert 1.98 km into cm = 1.98 × 100000 cm
=198000 cm
Revolutions = 198000/66
= 18000/6 = 3000 revolutions
Hope it helps☺!
Circumference = 2 × 22/7 × r
= 2 × 22/7 × 21/2 cm
= 66 cm
Convert 1.98 km into cm = 1.98 × 100000 cm
=198000 cm
Revolutions = 198000/66
= 18000/6 = 3000 revolutions
Hope it helps☺!
Answered by
3
R= 21/2
Circumference=
2*22/7*21/2
=66 cm
Therefore, no.of revolution=
( 1.98*10000)/66
=300 revolution
Circumference=
2*22/7*21/2
=66 cm
Therefore, no.of revolution=
( 1.98*10000)/66
=300 revolution
ShuchiRecites:
Hey friend, 1 km = 100000 cm
Sorry my mistake
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