Practice finding the surface area of prisms, cubes, pyramids, and other 3D figures using formulas and area strategies.
Read each problem carefully. Find the surface area of each figure and include the correct square units. Show your work in the space provided.
Finding the total area of the outside of solid shapes
Math - Grade 6-8
- 1
A cube has side length 4 cm. Find its surface area.
- 2
A rectangular prism has length 6 m, width 3 m, and height 2 m. Find its surface area.
- 3
A rectangular prism measures 8 in by 5 in by 2 in. Find its surface area.
- 4
A triangular prism has bases that are right triangles with side lengths 3 cm, 4 cm, and 5 cm. The length of the prism is 10 cm. Find its surface area.
- 5
A square pyramid has base side length 6 ft and slant height 5 ft. Find its surface area.
- 6
A cylinder has radius 3 cm and height 8 cm. Use 3.14 for pi. Find its surface area.
- 7
A cylinder has diameter 10 m and height 7 m. Use 3.14 for pi. Find its surface area.
- 8
A rectangular prism has length 9 cm, width 4 cm, and height 3 cm. Find its surface area.
- 9
A cube-shaped gift box has a surface area of 216 square inches. What is the side length of the box?
- 10
A square pyramid has base side length 10 cm and slant height 12 cm. Find its surface area.
- 11
A prism has a square base with side length 5 m and height 9 m. Find its surface area.
- 12
A triangular prism has triangular bases with base 8 in and height 5 in. The other two sides of the triangle are 6 in and 7 in. The prism length is 12 in. Find its surface area.
- 13
A cylinder has radius 4 ft and height 6 ft. Use 3.14 for pi. Find its surface area.
- 14
A rectangular prism has surface area 94 square centimeters. Its length is 5 cm, width is 3 cm, and height is unknown. Find the height.
- 15
A composite solid is made of two identical cubes with side length 3 cm stacked face-to-face. Find the surface area of the solid.