Question

find the area of the rectangle , if length is twice of breadth and perimeter is 84 cm.​

Answer 1

Answer:

let breadth be = x

then length = 2x

perimeter=2(l+b)

2(x+2x)=84

3x=84/2

3x=42

x=42/3

x=14

area =l*b

b=14

l=14*2=28

area =14*28

392sqm

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Answer 2

Answer:

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