find the area of the shaded portion if FBCD is a square of side 7 cm and ABED is a quadrant.
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Answer:
the radius of the sector will be 7√2 after finding the diagonal of the square
area of sector=πr^2
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1
Answer:
diagonal of FBCD=√(7^2+7^2) cm
=√(49+49) cm
=√98 cm
=7√2 cm
area of the square=(7)^2 sq cm=49 sq cm
radius of the quadrant 7√2 cm
area of the quadrant=π(7√2)^2/4 sq cm
=22×98/4×7 sq cm
=11×14/2 sq cm
=11×7 sq cm
=77 sq cm
so, area of the shaded region is
(77-49) sq cm
=28 sq cm
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