Question

. A particle is moving in a circle of diameter 7 metre.The distance covered by it on completing two revolutions is:​

Answer 1

you should apply the formula of circumference for this.

2*(2πr)

2*(2*22/7*3.5). (As radius = half diameter)

2*(2*22*0.5). (here 7 is divided by 3.5)

2*(2*11)

2*(22)

2*22

44m

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