Answer :

Given: Ratio of sides of rectangle = 4: 5

Let the sides of rectangle be 4x and 5x


i. By what fraction should the shorter side be increased to make it a square


Shorter side = 4x


To make it a square, 4x should be increased to make it as 5x by n%.


4x + 4x × n% = 5x


4x × n% = 5x - 4x


4x × n% =x


n%


Shorter side should be increased by


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