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3 years ago

The perimeter of a rectangle is 42cm and its area is 68cm2. Find its length and breadth.

Business

1 answer:

raketka [301]3 years ago

7 0

<h2>Length = 4cm breadth = 17cm</h2>

Explanation:

Given P = 42 cm and Area = 68cm^2

So we apply the above values to its formula to find length and breadth

P = 2L + 2w = 42cm

L + w = 21cm (dividing the above statement by 2)

(21-w)w = 68cm^2

w^2 - 21w + 68 = 0 (moving variables and framing equations)

(w - 17)(w-4) = 0 , w = 4cm,17cm (calculating the values by using the equation)

Rectangle is 4cm by 17cm

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The perimeter of a rectangle is 42cm and its area is 68cm2. Find its length and breadth.​

The perimeter of a rectangle is 42cm and its area is 68cm2. Find its length and breadth.