Answer:
343.42cm^3
Explanation:
Use the triangular prism formula :
1/4h * sqrt(-a^4 + 2(ab)^2 + 2(ac)^2 - b^4 + 2(bc)^2 - c^4)
Then plug in the values.
a = 6
b = 10
c = 10
h = 12
After plugging it in and simplifying, you get 343.42cm^3
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