yamedm
yamedm yamedm
  • 01-03-2018
  • Mathematics
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Help me find the surface area of a triangular prism with work please

Help me find the surface area of a triangular prism with work please class=

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sqdancefan
sqdancefan sqdancefan
  • 01-03-2018
The diagram shows how the surface area can be "flattened" into two rectangles, one for the end triangles that is 6 cm by 5.3 cm, and one for the lateral area that is 13 cm by 19.3 cm.

The total area is
.. (6 cm)*(5.3 cm) +(13 cm)*(19.3 cm)
.. = 31.8 cm^2 +250.9 cm^2
.. = 282.7 cm^2
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