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18 January, 17:59

What is the surface area of a triangular prism,

height = 10

side a = 3

side b = 4

side c = 5

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Answers (1)
  1. 18 January, 20:27
    0
    A=132

    Step-by-step explanation:

    A=ah+bh+ch+1

    2﹣a4+2 (ab) 2+2 (ac) 2﹣b4+2 (bc) 2﹣c4=3·10+4·10+5·10+1

    2·﹣34+2· (3·4) 2+2· (3·5) 2﹣44+2· (4·5) 2﹣54=132
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