4 years ago

Find the surface area of the following triangular prism. surface area=_________ ft²

Mathematics

1 answer:

Scorpion4ik [409]4 years ago

3 0

Answer:

312 ft²

Step-by-step explanation:

3 rectangles

2 triangles

4 yd = 12 ft

A = 4ft×12ft + 8ft×12ft + 10ft×12ft + 2×6ft×8ft/2

= 48ft² + 96ft² + 120ft² + 48ft²

= 312 ft²

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