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

Raquel Norton

Mathematics

21 August, 11:50

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)

Know the Answer?

Zaire Kaufman · 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