If the distance across the window is 10 ft, what is the area of the semicircular part of the window? Use 3.14 for and round the answer to the nearest hundredth. 39.25 m

Question

Mathematics

Miller

26 November, 13:22

If the distance across the window is 10 ft, what is the area of the semicircular part of the window? Use 3.14 for and round the answer to the nearest hundredth. 39.25 m

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Answers (1)

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Davion Tapia · Answer 1

D = diameter of semicircle = 10 ft

Therefore, r = d/2 = 10/2 = 5 ft. r^2 = 25

And, the formula for area of a semicircle is half that of a circle so,

A/2 = [ (pie=3.14) x r^2] / 2

= [3.14 x 25 ] / 2

= 39.25 m