Question

Find the length and breadth of a whose perimeter is 22 and area is 28cm square ?

Answer 1

Answer:

Step-by-step explanation:

2(l+b) =22

(l+b) = 11

L=11-b

Lb=28

(11-b)(b)=28

11b-b^2=28

b^2-11b+28=0

(b-7)(b-4)=0

b=7,4

Thus the length is 7cm and breadth is 4cm