Algebraic Expressions Area and Perimeter

The length of the rectangle is 4x and the breadth of the rectangle is 2x then the perimeter of the rectangle is

• 8x²

• 6x²

• 12x

• 12x²

The length of the rectangle is 2x and breadth is 4x then the area of the rectangle is

• 8x²

• 6x²

• 12x

• 12x²

Mr Ang is 3 cm taller than twice the height of his son. Write an expression for Mr Ang's height if the son's height is h cm.

• 3 + h

• 2(3 + h)

• 3 + 2h

• 6h

The perimeter of a square with length x is given as

• 2x

• 4x

• x²

• x³

Find the perimeter of the rectangle.

• 3x + 7

• 6x + 14

• 18x + 6

• 18x + 6

Find the area of the rectangle.

• 9x² - 2x

• 9x² - 2

• 10x - 2

• 20x - 4 

Write a simplified expression to represent the perimeter of the shape.

• 20x - 8

• 10x - 4

• 25x - 4

• 5x + 5x - 4

Find the area of the rectangle.

• 8x + 12

• 4x + 6

• 3x² + 6x

• 3x² + 6 

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

• 3x + 24

• 2x + 10

• 3x + 10

• 3x + 2

Which algebraic expression represents the area of the given rectangle>

• 4x+5

• 4x+20

• 20x

• 2x+18