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A right angled isosceles triangle is inscribed in a semicircle of radius 7 cm . The area enclosed by the semicircle but exterior to the triangle is

A.14 sq cm
B.28 sq cm
C.44 sq cm
D.68 sq cm
Answer and Feedback
Answer:B
Feedback:Required area =area of the semicircle –area of the right-angled triangle
So 1/2 *22/7*7*7-1/2 *7*7=77-49=28 sq cm

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