Question
Question 8 of 8 - Volume of Prisms
Question 8
A triangular prism has a width of 9 meters and volume of 378 cubic meters. What is the area of the base of the prism?
Question 8
A triangular prism has a width of 9 meters and volume of 378 cubic meters. What is the area of the base of the prism?
Ask by Boyd Estrada. in the United States
Mar 21,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
The area of the base is 42 square meters.
Solution
Let the area of the base be
. The volume
of a prism is given by
Given that
cubic meters and the width is
meters, we substitute:
Solving for
, we divide both sides by
:
Thus, the area of the base is
.
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Extra Insights
To find the area of the base of a triangular prism, you can use the formula for volume:
. Here, the volume is 378 cubic meters and the width (or height, depending on how you’ve oriented the prism) is 9 meters. So, you can rearrange the formula to find the base area:
Thus, the area of the base of the prism is
.
When working with prisms, it’s important to visualize them in three-dimensional space. Imagine building with blocks, where the volume is how much you can fit inside. Common mistakes include mixing up dimensions or forgetting that the base area must reflect the shape of the base, not just a rectangular area if it’s triangular! So keep your toolbox of formulas handy and shoot for that correct shape!