Math 7: Area & Volume

RJH: Area & Volume

Important Formulas to Know

• Area of a Rectangle = length x width

• Area of a Square = side x side

• Area of a circle =

   $\pi r^2$  

• Area of a triangle = 1/2 base x height

Multiple Choice

Triangular Prism with base lengths 3 m, 4 m, 5 m, and a height of 6m. What is the surface area?

• 84 m²

• 92 m²

• 102 m^2

• 96 m²

Multiple Choice

Find the volume of the cylinder.

• 4239
• 1696
• 1130
• 565

Multiple Choice

• 55 yd³
• 121 yd³
• 22 yd³
• 330 yd³

Multiple Choice

Farmer Bob needs to build a fence for his chickens.  The area he wants to build a fence around is 40 feet long and 20 feet wide.  How many feet of fence does he need to buy?

• 800 feet
• 120 feet
• 60 feet

Multiple Choice

Identify the 3D figure.

• A

• B

• C

• D

Multiple Choice

Find the area of the triangle.

• 96 in²

• 48 in²

• 20 in²

Multiple Choice

Find the area of the triangle.

• 30 m²

• 60 m²

• 16 m

• 30 m

To Find Surface Area --> Find the surface of each 2D shape and add them together!

Multiple Choice

If a rectangle has an area of 30 square units and a height of 6 units, how many units is the base of the rectangle?

• 5 units

• 6 units

• 3 units

• 4 units

Multiple Choice

If a rectangle has an area of 30 square units and a height of 6 units, how many units is the base of the rectangle?

• 5 units

• 6 units

• 3 units

• 4 units

Multiple Choice

Find the total surface area of the prism.

• 48 square inches
• 64 square inches
• 88 square inches
• 76 square inches

Multiple Choice

Find the surface area of this figure.

• 148 cm²
• 120 cm²
• 50 cm²
• 54 cm²

Multiple Choice

Which label would NOT be appropriate for volume.

• square miles

• inches³

• cm³

• cubic feet