Question

the length of a rectangle is 3 more than its width .if the perimeter of the rectangle is 30 cm then find the length and width of the rectangle​

Answer 1

Answer:

The length is 9 cm and width is 6 cm.

Step-by-step explanation:

Given:

Length of a rectangle is 3 more than its Width.

Perimeter of the rectangle is 30 cm

To find:

The length and width of the rectangle

Solution:

Let,

• Width = x
• Length = x + 3

Perimeter of the rectangle is 30 cm

Perimeter = 2 (Length + Width)

$\longrightarrow$ 30 = 2 [(x + 3) + x]

$\longrightarrow$ 30 = 2x + 6 + 2x

$\longrightarrow$ 30 = 4x + 6

$\longrightarrow$ 30 - 6 = 4x

$\longrightarrow$ 4x = 24

$\longrightarrow$ x = 24/4

$\longrightarrow$ x = 6

Width = 6 cm

★ Length = x + 3

$\longrightarrow$ 6 + 3

$\longrightarrow$ 9

Length = 9 cm

Therefore, the length is 9 cm and width is 6 cm.

Answer 2

Answer:

i hope it was helpful to you.

Step-by-step explanation:

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