Surface Area Unit Test connexus
1. What is the formula for finding the surface area of a rectangular prism?
a) SA = 2lw + 2lh + 2wh
b) SA = 4lw + 2lh + wh
c) SA = lw + lh + wh
d) SA = 2lw + lh + wh
2. Find the surface area of a rectangular prism with dimensions 4 cm x 6 cm x 8 cm.
a) 112 cm^2
b) 148 cm^2
c) 168 cm^2
d) 96 cm^2
3. What is the formula for finding the surface area of a cube?
a) SA = 6s^2
b) SA = 4s^2
c) SA = 3s^2
d) SA = 2s^2
4. Find the surface area of a cube with side length 5 cm.
a) 75 cm^2
b) 100 cm^2
c) 125 cm^2
d) 150 cm^2
5. What is the formula for finding the surface area of a cylinder?
a) SA = 2πrh + πr^2
b) SA = πr^2h
c) SA = 2πr^2h
d) SA = πr^2 + 2πrh
6. Find the surface area of a cylinder with radius 3 cm and height 6 cm.
a) 144π cm^2
b) 54π cm^2
c) 108π cm^2
d) 96π cm^2
7. True or False: The surface area of a sphere is given by the formula SA = 4πr^2.
a) True
b) False
8. Find the surface area of a sphere with radius 5 cm.
a) 100π cm^2
b) 75π cm^2
c) 200π cm^2
d) 125π cm^2
9. The surface area of a triangular prism is the sum of the areas of all its faces.
a) True
b) False
10. Find the surface area of a triangular prism with base edges of 4 cm, 5 cm, and 6 cm, and height of 8 cm.
a) 120 cm^2
b) 100 cm^2
c) 150 cm^2
d) 160 cm^2
Answer Key:
1. a) SA = 2lw + 2lh + 2wh
2. c) 168 cm^2
3. a) SA = 6s^2
4. b) 100 cm^2
5. a) SA = 2πrh + πr^2
6. d) 96π cm^2
7. a) True
8. a) 100π cm^2
9. a) True
10. d) 160 cm^2