from each corner of a rectangular paper (30cm×20cm) a quadrant of a circle of radius 7cm is cut.find the the area of the shaded portion
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Area of rectangle=30×20=600cm^2
Area of quadrant =4×1/4×π×r^2
=4×1/4×22/7×49
=4×1/4×22×7
=22×7=154cm^2
shaded portion=600-154=446cm^2
Area of quadrant =4×1/4×π×r^2
=4×1/4×22/7×49
=4×1/4×22×7
=22×7=154cm^2
shaded portion=600-154=446cm^2
ruthwik2:
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