Area and Perimeter Equations

Area of a right triangle is 54 cm . If one of its legs is 12 cm long, its perimeter is

• 18 cm

• 27 cm

• 36 cm

• 54 cm

Area of parallelogram QPON is ____________ cm².

Circumference of a circle is 33 cm. Find its area.

Area of shaded portion in Fig. is

• 25 cm2

• 15 cm2

• 14 cm2

• 10 cm2

A rectangular table has 2 sides that equal x + 4 inches and 2 sides that equal 2x inches. The total perimeter is 56 inches. What equation can be used to solve for x?

• 56 = x + 10x

• 56 = 4x

• 56 = 8 + 6x

• 56 = 2x + 8

A rectangular room is 12 meters long and 8 meters wide. How much longer is the perimeter of the room than the area?

• 16 meters

• 32 meters

• 48 meters

• 64 meters

perimeter of square

• 2 * side length

• side length ^ 2

• 4 * side length

• side length + side length

perimeter of rectangle

• P = L * W

• P = 2L + 2W

• P = 4L + 4W

• P = L + W

perimeter of circle (circumference)

• 2 * radius

• radius * radius

• 2 * π * radius

• π * radius

area of square

• side length divided by 2

• side length plus 2

• side length multiplied by 4

• side^2