find the area remaining sheet if a circle of radius 7cm is remove from a square sheet of a aluminium of side 14cm
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given: side of square=14cm
radius=7cm
area of square= side ×side
=14cm×14cm
=196cm^2
area of circle=πr^2
=22/7×7×7
=154cm^2
area of remaining sheet=area of square-area of circle
=196-154
=42cm^2
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