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Answer:
Step-by-step explanation:
- multiply the base times height for the area of the triangles (bh)
- add the three sides of the triangle (s1 + s2 + s3).
- multiply the sum of the triangle sides by the height of the prism (H)
- add the values together for the answer
- make sure to include the appropriate unit of measurement (ft, in, cm, m, mm, etc.)