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Find the radius of the circle in which a central angle of 60° intercepts an arc of length 37.4 cm. (use āˆ=22/7)

A35.4 cm

B37.4 cm

C21.1 cm

D35.7 cm

Answer:

D. 35.7 cm

Read Explanation:

l= 37.4 cm šš¹= 60° = āˆ/180 x 60 = āˆ/3 r = l/šš¹ = 37.4 x 3 / āˆ = 37.4 x 3 x 7 / 22 r=35.7 cm


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