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AD is divided into 3 equal parts. So AB is 2cm. Perimeter of smaller circle is 2pi=44/7+perimeter of circle with diameter 4cm=4pi=88/7. Total perimeter is 132/7cm.
Area of shaded region = 22/7((1/2)^2+(2/2)^2)=22/7×5/4=110/28=55/14 square cm.
Area of shaded region = 22/7((1/2)^2+(2/2)^2)=22/7×5/4=110/28=55/14 square cm.
somapaul76:
what does this symbol ^ represent?
good answer.
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