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Question

Answer
guest2013

Suggested answer:
Side of square = 16cm
Area of smaller quadrant = 1/4 x 8 x 8 x pi = (16 pi )cm2
Area of triangle B = 1/2 x 8 x 8 = 32 cm2
Area of A => 16 pi cm2 – 32 cm2
Area of shaded + A = 1/8 of bigger circle
1/8 x 16 x 16 x pi = 32 pi
Shaded area + (16 pi – 32) cm2 = (32 pi) cm2
Area of Shaded area will be
(32 pi – 16 pi + 32 ) cm2
= (16 pi + 32) cm2
= 82.27 cm2

guest2013
Suggested answer:
Side of square = 16cm
Area of smaller quadrant = 1/4 x 8 x 8 x pi = (16 pi )cm2
Area of triangle B = 1/2 x 8 x 8 = 32 cm2
Area of A => 16 pi cm2 – 32 cm2
Area of shaded + A = 1/8 of bigger circle
1/8 x 16 x 16 x pi = 32 pi
Shaded area + (16 pi – 32) cm2 = (32 pi) cm2
Area of Shaded area will be
(32 pi – 16 pi + 32 ) cm2
= (16 pi + 32) cm2
= 82.27 cm2