Question

the length of a rectangle exceeds in breadth by 15cm.The perimeter of the rectangle is 100cm. Find its length and breadth.

Answer 1

$\huge \: let \: breath \: be \: x$

$2(x + x + 15) = 100$

$= 2(2x + 15) = 100$

$4x + 30 = 100$

$4x = 100 - 30$

$4x = 70$

$\boxed{ x = 18.5}$

Now we found breadth : 18.5

lenght :-

L = x + 15

L = 18.5 + 15

L. = 33.5

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Verification:-

2(18.5 + 33.5) = 100

2 * (50) = 100

100 = 100

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Extra related to this:-

perimeter of rectangle : 2(l+b)

Area of the rectangle. : (l*b)=lb

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Answer 2

Answer:

the length of a rectangle exceeds in breadth by 15cm.The perimeter of the rectangle is 100cm. Find its length and breadt...

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