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Mathematics 23 Online
OpenStudy (anonymous):

Each base of a triangular prism is a right triangle with side lengths 3 inches, 4 inches, and 5 inches. The height of the prism is 7 inches. What is the surface area of the prism? 84 in2 96 in2 420 in2 840 in2

OpenStudy (anonymous):

OpenStudy (bibby):

the surface area is the sum of the different shapes that make up the surface. here there are 3 rectangles and 2 triangles. Do you know how to get those respective shapes areaS?

OpenStudy (anonymous):

add them together?

OpenStudy (bibby):

exactly.|dw:1391721492550:dw|

OpenStudy (anonymous):

okay thanks!

OpenStudy (bibby):

|dw:1391721601694:dw|

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