the base of a rectangle is 5cm more than its breadth its area is 84sq cm find its dimensions
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Let breadth = x
Length = x + 5
Area = 84
x(x+5) = 84
x²+5x-84 = 0
(x+12)(x-7)=0
x = 7
breadth = 7 cm
Length = 12 cm
Length = x + 5
Area = 84
x(x+5) = 84
x²+5x-84 = 0
(x+12)(x-7)=0
x = 7
breadth = 7 cm
Length = 12 cm
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