Question

please give solution for 12th problem

Answer 1

ok so first find diagonal of square by the formula √2×side. Diagonal of square is radius of sector. therefore find area of sector. then find area of square. then subtract area of square from area of sector

Answer 2

Oe=20 cm
First find diagonal of square by formula underoot 2*side and diagonal of the square is radius of sector hence find the area of sector using the radius and then find area of square by multiplying side by side and then to obtainvthe area of the shaded region area of sector-area of square hence the answer will be obtained
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