Question

The length of a rectangle is 5 metres less than twice the breadth. If the perimeter is 50

metres, find the length and breadth of the rectangle.

Let the breadth be x

Then length = ______

Perimeter = 50 metres

Length + breadth = ______

_______ + x = 25

3x – _______ = 25

3x = _______

x = _______

breadth = ____ metres, length = ____ metres​

Answer 1

Answer:

The length of a rectangle is 5 metres less than twice the breadth. If the perimeter is 50

metres, find the length and breadth of the rectangle.

Let the breadth be x

Then length = 2x-5

Perimeter = 50 metres

Length + breadth = (x)+(2x-5)

(2x-5) + x = 25

3x – 5 = 25

3x = 30

x = 10

breadth = 10 metres, length = 15 metres​

Answer 2

Given :- The length of a rectangle is 5 metres less than twice the breadth. If the perimeter is 50 metres, find the length and breadth of the rectangle.

Answer :-

Let breadth of the rectangle is x m .

so,

→ Length = 5 m less than twice the breadth

→ Length = 2 * x - 5

→ Length = 2x - 5

then,

→ perimeter = 2(Length + Breadth)

A/q,

→ 2(2x - 5 + x) = 50

→ 2(3x - 5) = 50

→ 3x - 5 = 25

→ 3x = 25 + 5

→ 3x = 30

→ x = 10 m .

therefore,

→ Length = 2x - 5 = 2*10 - 5 = 20 - 5 = 15m.

→ Breadth = x = 10m .

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