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iVinArrow [24]
4 years ago
5

A pentagonal prism has a base area of 124 square inches. The lateral area (area of sides) is made up of 5 equal-sized rectangles

that are each 80 square inches. What is the surface area of the pentagonal prism?
Mathematics
1 answer:
blondinia [14]4 years ago
4 0

Answer:

The surface area of the pentagonal prism is equal to 648 square inches

Step-by-step explanation:

we know that

The surface area of the pentagonal prism is equal to the area of the base and the top plus the lateral area

so

SA=2B+LA

where

B is the area of the pentagonal base

LA is the lateral area (area of 5 equal-sized rectangles)

SA=2(124)+5(80)

SA=248+400\\SA=648\ in^2

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