find the area of and perimeter of a shaded region in each of the following figures given that all arcs are either quadrants or semicircle
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ANSWER = 154.99cm²
Consider the large semi circle ,
Radius = 14 cm
area = 1/2πr²
= 3.14 × 14 × 14 /2
= 307.72 cm²
consider the small semicircle ,
radius = 7cm
area = 1/2 ×(3.14 × 7 × 7 )
= 76. 39 cm²
area of shaded part = 307.77 - (2×76.39)
= 154.99 cm²
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