Question

15. The perimeter of a rectangular field is 80 m. If the length of the field is decreased by 2 m and its breadth is
increased by 2 m, the area is increased by 36 m2. Find the length and the breadth of the rectangular field.​

Answer 1

Answer:1596

Step-by-step explanation:

First find the perimeter how it cane 80 m by using perimeter formula 2x(l+b) then 20 +20 ×2= 80 whi ch means length is 20 and breadth is 20 if u decrease length by 2 it had be 38 and if u increase breath by 2 it had be 42 to find area use area formula (l xb) which is 38 x 42 = 1596

Answer 2

Step-by-step explanation:

length =28, breadth=12