Question

The perimeter of a rectangle is 22cm. The area is 28cm.What are the length of sides?

Answer 1

Answer:

L=4,B=7

Step-by-step explanation:

perimeter of rectangle=l*b

22=2(l+b)

l+b=11.............(1)

L=11-B

then ATQ,

    area=l*b

   28=11-B*B

B2-11B+28=0

B2-4B-7B+28=0

B(B-4)-7(B-4)

B=7,B=4

THEN,

L=11-B.......(1)

L-4

L=4,B=7

Answer 2

length is 7 CM and breadth is 4 cm