SOLUTION: Calculate the surface area of a triangular prism. The base is 19cm, the length is 22cm and the height is 14cm.

Question 1037077: Calculate the surface area of a triangular prism. The base is 19cm, the length is 22cm and the height is 14cm.
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Hi there,
With regard to the two triangular faces
either end of the prism. The hypotenuse
= √ 14^2 + 19^2
= 23.6cm.
Now you have 5 faces:-
1) Base = 19 x 22 = 418 cm^2
2) Upright back = 14 x 22 = 308 cm^2
3) Slanted face = 23.6 x 22 = 519.2 cm^2
4) 2 triangular ends
= 1/2(19 x 14) x 2
= 266 cm^2
Added together:
418 + 308 + 519.2 + 266
= 1511.2 cm^2
Hope this helps :-)
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