The area of the shaded region is equal to

In the given figure, the boundary of the shaded region consists of semicircular arcs. The area of the shaded region is equal to
(a) 616 cm²
(b) 385 cm²
(c) 231 cm²
(d) 308 cm²

Solution:

The perimeter of the shaded region shown in Q. 14 (above) is
(a) 44 cm
(b) 88 cm
(c) 66 cm
(d) 132 cm

Solution:

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