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CBSE Class 9 Answered

A particle moves over three quarters of a circle of radius r. What is the distance travelled by it?
Asked by kousikroyr20 | 16 Sep, 2015, 06:27: PM
answered-by-expert Expert Answer

Hi Sayani,

Distance covered is 3/4 circumference.

So, we have

begin mathsize 12px style straight d equals 3 over 4 cross times 2 cross times straight pi cross times straight r equals fraction numerator 3 πr over denominator 2 end fraction end style

Answered by | 16 Sep, 2015, 06:30: PM
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