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the side lengths of the base of a triangular prism are 8 in, 11 in, and 12in. the height of the prism is 18 in. what is the lateral surface area of the prism in square inches​

the side lengths of the base of a triangular prism are 8 in 11 in and 12in the height of the prism is 18 in what is the lateral surface area of the prism in squ class=

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fieryanswererft

Answer:

lateral surface area: 558 inch²

Explanation:

formula to find lateral surface area: ( perimeter of the base ) * ( height )

  • Here the perimeter of the base: ( 8 + 11 + 12 ) → 31 inch
  • Here the height is 18 inch

using the formula:

perimeter of base * height

→ 31 * 18

→ 558 inch²