Question

Length of the arc subtending an angle of 72 is degree is 22cm find the radius of arc?

Answer 1

Answer: 17.5

Step-by-step explanation:

L = (72/360)* 2*(22/7)*r

22= (1/5) * 2* 22 * r /7

7*5 / 2 = r

35 / 2 = r

17.5 = r

r = 17.5 cm

Answer 2

Answer:

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