Question

a piece of wire 20 centimetre long is bent into the form of an arc of a circle subtend eing and angle of 60 degree at its centre find the radius of circle

Answer 1

Step-by-step explanation:

2πr*60/360=20

2πr*1/6=20

πr=60

r=60*7/22

19.09cm

Answer 2

Answer:

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