ans for these question.......
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sameer500kumar:
it can be sovled but it take too long and lengthy
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hope it's help you most
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cosθ=OAAD
cos30∘=23
AD=23×32
AD=163cm
AB=323cm
shaded region = Area of circle - Area of triangle
=π(32)2−3×21×323×16
=(722578−7683)cm2
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