Math, asked by gyam4340, 1 year ago

A length of rectangle 5cm more the breadth length is decrease by 3 and breadth is decrease by 2 the are of new rectangle and original rectangle is same find dimension of original rectangle

Answers

Answered by BEJOICE
0
Let breadth be x. Then, length = x+5

After change, length = (x+5)-3 = x+2
Breadth = x+2
given \:  \: x(x + 5) = (x + 2)(x  +  2) \\  {x}^{2}  + 5x =  {x}^{2}   +  4x + 4 \\ x = 4
Therefore, length = 9 cm and breadth = 4 cm

NOTE: Breadth is taken as increased by 2
Similar questions