Question

A toy cylindrical drum of radius 7 cm and height 5 cm is rolled along a smooth floor. find the distance travelled by the drum in one revolution
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Answer 1

Answer:

ans. is 44 cm

Step-by-step explanation:

by the formula of the circumference of circle of cyclender = 2πr

π = 22/7 ,

r = 7 cm ,

h = 5 cm .

put the above values in the formula. we get,

( this part of answer is in the photo).

I have taken circle because when we divide any cylinder into 3 parts , we get 2 circles and 1 rectangle so according to question we require the circumference of the Circle. ok!!

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