Question

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Answer 1

Answer:

l= 40 and w=20

area = l*w

= 40*20

=800 cm squared

Answer 2

Answer:

800 sq.cm

Step-by-step explanation:

120 = perimeter=p

let breadth be x, length=2x

2(l+b)=2(x+2x)= 2(3x)=120

x=20

breacth=20

length= 40

l*b=20*40=800 sqcm=area