Question 63

Length and breadth of a rectangle are in the ratio 3:4 while the perimeter of it is 56 cm.What is the area of the rectangle ?

Solution

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The length and breadth are in the ratio 3:4

Let them be 3x and 4x respectively. 

Perimeter = 56

So, 2(7x) = 56

So, x = 4

Area = 3x * 4x = 3*4*4*4 = 192 sq cms

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