Question

find the area of rectangle whose length is four times the breadth and the perimeter of rectangle is 450 cm​

Answer 1

Step-by-step explanation:

let the breadth be x cm

the, length = 4x cm

given perimeter=450cm

ATP,

2×l+b= perimeter

2×(x+4x)=450

2×5x=450

5x=450÷2

x=225÷5

x=45cm

therefore,

breadth=45cm

length=4x

4×45

=180cm

area = length × breadth

45×180=8100cm²

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Answer 2

Step-by-step explanation:

perimeter of rectangle = 450 cm

length = 1/4 times the breadth

= 1/4* 450 = 115

= 450 - 115 = 235

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