Question

The perimeter of a rectangle is 12cmand the area is 5cm2.what is the length of the sides?​

Answer 1

Answer:

perimeter of rectangle=12cm

12=2×(l+b)

6=l+b

Answer 2

Answer:

LET l=x and b=Y

AREA OF RECTANGLE= 5

L×B=5........1)

PERIMETER =12

2(L+B)=12.......2)

FROM EQ 1

L=5/B

PUTTING IN SECOND EQUATION,

2(B+5/B)=12

5+5/B=6

B=1