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Artyom0805 [142]
3 years ago
13

What is the surface area of a triangular prism,

Mathematics
1 answer:
andriy [413]3 years ago
8 0

Answer:

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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NO LINKS! Help me with this problem​
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{\qquad\qquad\huge\underline{{\sf Answer}}}

Let's solve ~

Equation of directrix is : y = 1, so we can say that it's a parabola of form : -

\qquad \sf  \dashrightarrow \: (x - h) {}^{2}  = 4a(y - k)

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