In the given figure ABCD represent the quadrant of a circle of radius 7 cm with centre A. Calculate the area of the shaded region. [Take π = 22/7.]
Area of quadrant CAB = (π/4) × (radius)2
= (22/28) × (7)2
= 37.5 cm2
Area of Δ EAB = (1/2) × base × height
= (1/2) × 7 × 2
= 7 cm2
Thus, Area of shaded Region
= Area of quadrant CAB – Area of Δ EAB
= (37.5 – 7) cm2
= 30.5 cm2
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