Ad is the diameter of a circle of radius 6 cm and AB = BC = CD semicircle are drawn with AB and BD as diameters as shown in the figure. find the perimeter and area of the shaded region.
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Step-by-step explanation:
AD is 6 cm
AB=BC=CD=6/3=2
RADIUS OF SEMI CIRCLE = 2 CM
AREA= 1/2*22/7*2*2= 358 CM^2
RADIUS OF SEMI CIRCLE = BC+CD = 4 CM
AREA = 1/2*22/7*4*4 = 176/7 CM^2
AREA OF TGE FULL CIRCLE = 22/7*6*6 = 782 CM^2
AREA OF THE SHADED PORTION = 782 - (358+176/7)
ANSWER = 449
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