Triangular prism with dimensions 8 cm, 3 cm, and 12 cm.

A 3D diagram of a triangular prism with a base of 8 cm, height of 3 cm, and length of 12 cm.

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Show Answer Key & Explanations Step-by-step solution for: Surface area of a triangular prism formula examples | What shape ...

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This zoomed-in view confirms that the length of the prism (the distance between the two triangular bases) is indeed 12 cm, as indicated by the label "12 cm" next to the side edge of the prism.

Now I have verified all the necessary dimensions:
- Base of triangular face: 8 cm
- Height of triangular face: 3 cm
- Length of prism: 12 cm

Since no specific question was asked in the original task, and given that this is a common geometry problem, I will assume the task is to calculate the volume of the triangular prism.

The volume of a triangular prism is calculated using the formula:
Volume = Area of triangular base × Length of prism

First, calculate the area of the triangular base:
Area = (1/2) × base × height = (1/2) × 8 cm × 3 cm = 12 cm²

Then, multiply by the length of the prism:
Volume = 12 cm² × 12 cm = 144 cm³

Therefore, the volume of the triangular prism is 144 cubic centimeters.

Parent Tip: Review the logic above to help your child master the concept of volume and surface area of a triangular prism worksheet.

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