Algebraic Expressions Area and Perimeter

Find the perimeter in simplest form:

• 6x + 11

• 6x² + 11

• 12x + 22

• 12x² + 22

Which of the following best represents the perimeter of the given polygon?

• 4x + 28

• 2x + 21

• 3x + 21

• 4x + 21

Which expression represents the perimeter of the triangle?

• 4x + 4y + 5

• 6xy + 7

• 6x + 2y + 5

• 10xy + x + 2y

Which of the following best represents the perimeter of the given polygon?

• w + 3

• 6w + 6

• 2 - 6w

• 6w + 2

Find the perimeter of the rectangle.

• 3x² + 6x

• 4x + 6

• 8x + 12

• 6x + 12

Find the perimeter of the rectangle.

• 5x + 5

• 10x + 10

• 20x + 4

• 20x

Find the perimeter of the rectangle.

• 20x - 4 

• 10x - 2 

• 9x² - 2x 

• 18x - 4 

Find the area of the rectangle.

• 6x + 14

• 18x + 6

• 3x + 7 

• 9x + 7 

Find the perimeter of the rectangle

• 2x - 2 

• 6x - 15 

• 4x - 4 

• 6x - 15

Find the area of the rectangle.

2(​ x ) + 2(​ (a)   )

​ (b)   + ​ (c)   - ​ (d)  

​ (e)  

• 9x - 2

• 2x

• 18x

• 4

• 20x - 4

• 9x + 2

• 2 + x

• 11x

• 0

• 20x + 4

Answer explanation

To find the area of the rectangle, we use the formula for area, which is length times width. The expression simplifies to 9x - 2, which is one of the correct choices.