Question

the length of a rectangle is 3 cm more than its breadth and its area is 154 cm square find its length and breadth ​

Answer 1

Answer :

length = 14cm

breadth = 11cm

Step-by-step explanation:

breadth = x

length = x+3

area = l×b

154 = (x+3) x

= x^2+3x

x^2+3x-154=0

(x^2-11x)+(14x-154)=0

x (x-11)+14 (x-11) =0

(x-11) (x+14) = 0

x=11 x=-14

x not equal to -14

so x=11

breadth = 11cm

length = 14cm

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