3 years ago

What is the surface area of the triangular prism?

Mathematics

1 answer:

SCORPION-xisa [38]3 years ago

3 0

Answer:

300yd²

Step-by-step explanation:

Surface Area = area of triangles *2 + area of thhe 3 rectangles

SA= 2*( 9*4/2) + 5*12 + 8*12 + 9*12= 2*18 +5*12 + 8*12 + 9*12 =

36+60+96+108 = 300

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