Find the area of shaded region, if Ao=14cm and Bo=7cm
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Answer:
Given
Ao =14cm
Bo =7cm
AB = Ao+ Bo
=14 + 7 =21
Area of a circle =πr×r
Area of big circle = πr×r =22/7×21×21
= 1386 sq.cm
Area of two small circles = πr×r +πr×r
=22/7×14×14 +22/7×7×7
= 616 + 154
=770sq.cm
Area of the shaded region = Area of big circle + Area of two small circles
= 1386 sq.cm +770 sq.cm
=2156sq.cm
Area of the shaded region = 2156sq.cm
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