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Blababa [14]
2 years ago
9

25 POINTS!!!!! REAL ANSWERS ONLY!!!!!!!! I WILL REPORT LINKS AND FAKE/WRONG ANSWERS!!!!!!!​

Mathematics
1 answer:
Nonamiya [84]2 years ago
3 0

Answer:

7.

lateral surface area of traingular prism=perimeter of traingle ×length=[5+3+4]×6=72cm²

curved surface area=2[area oftraingle]=2×1/2×4×3

=12cm²

now

total surface area=72cm²+12cm²=84cm²

8.

volume of traingular prism=area of traingle ×length

=1/2×12×3.4×4=81.6cm³

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