The lengths of the sides of a triangle are 5/4 cm, 7/4 cm and 3/2 cm respectively . Find its perimeter
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Perimeter of ∆ = sum of all sides
= (5/4 + 7/4 + 3/2) cm
= (5+7+6/4) cm [ LCM is 4 ]
= 18/4 cm
Perimeter of ∆ = 9/2 cm
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