Digital PSAT Math Practice Question 45: Answer and Explanation
Question: 45
If Alaina wishes to paint all six faces of a rectangular box that has dimensions in feet of 8 × 4 × 6, how many square feet of paint does she need?
- A. 124
- B. 168
- C. 208
- D. 256
Correct Answer: C
Explanation:
(C) The box is drawn below:
Add up all of the surface areas of the six faces of the box. Since there are 2 of each face dimension, you can set up your equation as follows:
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