Question

1. The length and breadth of a rectangle are( a +56) units and (7a-b) units respectively. The
perimeter of this rectangle is equal to the perimeter of a square. Find how much is the area of
the rectangle less than that of the square?​

Answer 1

Answer:

5a²-392a

Step-by-step explanation:

First find the value of b

that would be 6a-56.

and then find area of both and subtract it.

the answer would be 5a²-392a.

For B,

2(L+B)=4L

you have L and B.

keep values

equate it and get value of B.