Answer to Question #86712 in Geometry for sebit

Question #86712

A triangle is placed in a semicircle with a radius of 9 cm, as shown below. Find the area of the shaded region. Use the value for 3.14, and do not round your answer. Be sure to include the correct unit in your answer.

Expert's answer

S=S_semicircle-S_striagle=(pr^2)/2-(2r/2*r)=3.14*81/2-81=46.17cm^2

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