The length of a rectangle exceeds its breadth by 7cm .If the length is decreased by 4 cm and the breadth is increased by 3cm the area of the new rectangle is the same as the area of original rectangle.Find the length and breadth of the original rectangle
Answers
Answered by
0
Answer:
30sq.cm
Step-by-step explanation:
please like follow and mark as it brainlist
Answered by
32
Answer:
B =x
L= x+7
Original Area =x×(x×7)=x^2+7x
New length =x+7-4=x+3
New breadth =x+3
New area =(x+3)(x+3)=x^2+6x+9
A2Q
=x^2+7x =x^2+6x+9
=x^2- x^2+7x=6x+9
=7x-6x=9
=x=9cm=Breadth
9+7=16cm=Length
Similar questions