Find the perimeter of the rectangle, Mathematics

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Find the perimeter of the figure, where AED is a semi-circle and ABCD is a rectangle.    (Ans : 76cm)

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Ans:    Perimeter of the fig = 20 + 14 + 20 + length of the arc (AED)

Length of Arc = ( Π x r) = 22/7 x7 = 22cm

∴Perimeter of the figure = 76 cm

 

 


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