Question

Find (i) the area,
(ii) the perimeter
of the shaded region in each of the following
figures, all dimensions being in cm.
(All arcs are either quadrants or semi-circles.)​

Answer 1

area of shaded region=area of square-area of 4 quarter circles

area of square=14 square=196

area of 4 quarter circles=1/4*4*22/7*7*7=154

area of shaded region=196-154=42cm square

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