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gift box in the shape of a triangular prism has a volume of 140 cubic inches that a base height of 10 inches, and a height of 4 inches. What is the length of the base?

I got 7 in as the base

Answer :

Step-by-step explanation:

The area of a triangle is 1/2×width×length. Volume of a triangular prism is 1/2×width×length×height.

Fill in and we get 1/2×10×length×4=140. length=(140×2)/(10×4)=280/40=7. So you're right.

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