In the figure(2) given below ABC is an equilateral triangle of side 14cm, side BC is the diameter of a semicircle.Find the area of the shaded region. take √3=1.732
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radius =d/2=14/2=7cm
Area of semi circle =1/2*22/7*(7*7)
Area of semi circle =11/7*49
Area of semi circle =7*11=77cm2
Area of equilateral triangle =1.732/4*(a2)
Area =1.732/4*(14*14)
Area =1.732/4*196
Area =1.732*49
Area=84.868cm2
Area of shaded region =77+84.868
Area of shaded region =171.868cm2
Area of semi circle =1/2*22/7*(7*7)
Area of semi circle =11/7*49
Area of semi circle =7*11=77cm2
Area of equilateral triangle =1.732/4*(a2)
Area =1.732/4*(14*14)
Area =1.732/4*196
Area =1.732*49
Area=84.868cm2
Area of shaded region =77+84.868
Area of shaded region =171.868cm2
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