Surface Area Review Triangles and Rectangles

Select ALL the triangles that have an area of 30 square units.

• A

• B

• C

• D

• E

The figure is a diagram of a wall. Lengths are given in feet. How many square feet of wallpaper would be needed to cover the wall?

• 40 square feet

• 60 square feet

• 80 square feet

• 30 square feet

A rectangular prism has dimensions of 2 cm by 2 cm by 5 cm. What is its surface area?

• 20cm squared

• 40cm squared

• 42cm squared

• 48cm squared

Here is a net made of right triangles and rectangles. All measurements are given in centimeters. If the net were folded and assembled, what type of polyhedron would it make?

• Square Prism

• Triangular Prism

• Cone

• Rectangular Prism

Find the area of the figure

• 35 un²

• 70 un²

• 30 un²

• 168 un²

Calculate the surface area of a rectangular prism with dimensions 3 cm, 4 cm, and 5 cm.

• 94 cm²

• 60 cm²

• 72 cm²

• 54 cm²

What is the area of this triangle?

• 750 square mm

• 600 square mm

• 375 square mm

• 300 square mm

What is the formula to calculate the area of a rectangle?

• Base + Height

• 2(Base + Height)

Find the area.

• 70 units squared

• 90 units squared

• 45 units squared

• 35 units squared

What is the surface area of the polyhedron?

• 46cm squared

• 96cm squared

• 84cm squared

• 108cm squared