Find the total surface area of the triangular prism. Show your work please!
1 answer:
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- 5x-3y=11---(1)
- 3x+4y=4---(2)
(1)×3 and (2)×5
- 15x-9y=33-(3)
- 15x+20y=20-(4)
Subtract both
- Put in eq(1)
(1)×3 and (2)×5
Subtract both