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Monica [59]
3 years ago
15

Calculate the lateral area of a rectangular prism with a base with measures of 5.6 in. and 4.3 in. and a height of 10 in.

Mathematics
1 answer:
juin [17]3 years ago
7 0
One formula for the lateral area is
  A = 2(LW + H(L+W))

Filling in the given numbers, you have ...
  A = 2((5.6 in)·(4.3 in) + (10 in)·(5.6 in + 4.3 in))
  = 2(24.08 in² + 99 in²)
  = 246.16 in²
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The volume of the triangular prism is 12.5 m³. The length is 2.5 m and the base is 2 m. What is the width?
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Answer:

  (4)  5 m

Step-by-step explanation:

You want the length of side x of a right triangular prism with base edge lengths of 2.5 m and 2 m, and a volume of 12.5 m³.

<h3>Volume</h3>

The volume of the prism is given by the formula ...

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where B is the area of the base:

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Using these formulas together, we have ...

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Dividing by 2.5 m², we find x to be ...

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11 months ago
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IRISSAK [1]
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