3 years ago

What is the surface of the triangular prism?

Mathematics

1 answer:

Alex3 years ago

7 0

Answer:

Step-by-step explanation:

SA = 2 congruent triangles + 3 rectangles

= 2(½×12×5) + (13×4) + (12×4) + (5×4)

= 60+52+48+20

= 180 in²

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