The length of the arc is 88 cm. The degree of the sector is 60°. Calculate the diameter

Question

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Answer 1

360/60=6

6*88=528 cm is the circumference

C=∏*d

528=3.14159*d

d=528/3.14159

d=168.0677 cm (round as needed)

Answer 2

arc length = central angle/360 X  2πr

88 = 60/360(2πr)

88 = 1/6(2πr) = 1/3(2πr)

264 = 2πr

132 = πr

42.017 = r

d = 2r 

d ≈ 84 cm