Question

The dimensions of a rectangle are 5x+3 and 4x – 6. Write an expression that represents the perimeter the rectangle.

Answer 1

Step-by-step explanation:

let the length of rectangle be :5x+3 and let the base of rectangle be 4x-6

$\therefore \: perimeter \: of \: rectangle \: = 2(length \: + breadth \: )$

perimeter = 2(5x +3 + 4x -6)

= 2( 9x-3)

= 18x -6

18x-6 is the equation that represents perimeter

Answer 2

Given:

• The dimensions of a rectangle are 5x+3 and 4x – 6.

To find:

• Expression.

Solution:

• Let's consider ABCD is a rectangle.

Where,

• Length = 5x+3
• Breadth = 4x – 6

• Let's consider length be l

⠀⠀━━━━━━━━━━━━━━━━━━━⠀

« Now, Forming an expression,

→ Perimeter = 2(l + b)

→ 2(5x + 3 + 4x – 6)

→ 10x + 6 + 8x - 12

→ 18x - 6

∴ Hence, An expression which represents the perimeter of the rectangle is 18x - 6.