21-22 Unit 8 REVIEW: Area, Perimeter & Volume

The combined perimeter of the rectangle and triangle is 63 inches. The model shows the dimensions of the rectangle only. Based on this information, the perimeter of the triangle is _____ inches.

The length of one edge of a cube is 3 units.

What is the volume of this cube in cubic units?

A rectangular prism has a length of 20 inches, a width of 11 inches, and a height of 13 inches. Which of the following DO NOT show the correct volume in cubic inches for this rectangular prism? Choose ALL that apply.

• 233 cubic inches

• 2,860 cubic inches

• 160 cubic inches

• 88 cubic inches

Edgar built a deck in his backyard with one section in the shape of a rectangle and another section in the shape of a square. The model shows the dimensions of his deck in feet. What is the area in square feet of Edgar's deck?

• Figures II & IV only

• Figures I & III only

• Figures I, II, & IV only

• Figures I, II, III & IV

The base of a rectangular prism has a length of 15 inches and a width of 13 inches. What is the area of the base in square inches?

Mr. Williams brought an ice chest filled with water bottles to band practice. A model of the ice chest is shown below.

What is the volume, in cubic inches, of the ice chest?

The side length of a square is 20 millimeters. Which statement about this square is true?

• The perimeter of the square is 400 millimeters, because 20 × 20 = 400.

• The perimeter of the square is 80 millimeters, because 20 × 4 = 80.

• The area of the square is 40 square millimeters, because 20 × 2 = 40.

• The area of the square is 80 square millimeters, because 20 × 4 = 80.

The side lengths of a field are shown below.

What is the perimeter of the field, in miles?

Harman is painting a rectangular wall.

He has already painted the rectangular shaded section, as shown below.

What is the area of the shaded section Harman has already painted, in square feet?