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Gennadij [26K]
3 years ago
11

What is the surface area of the following triangular prism?

Mathematics
2 answers:
eimsori [14]3 years ago
5 0
My answer the question what is the surface area of a triangular prism is 126 yards2


adoni [48]3 years ago
4 0

Answer:

\text{The surface area of triangular prism is }96 yd^2

Step-by-step explanation:

Given the triangular prism with dimensions.

we have to find the surface area of triangular prism.

Base and height of right triangle of triangular prism are

Base, b=4 yd

Height, h=9 ft=9\times 0.3333...=3 yd

Height, H=7 yd

The surface area of triangular prism can be calculated as

(Base\times Height)\text{of right triangle}+\text{sum of sides of triangle}\times H

=bh+(s_1+s_2+s_3)\times H

=(4\times 3)+(3+4+5)\times 7

=12+12\times 7=12+84=96 yd^2

\text{hence, the surface area of triangular prism is }96 yd^2

Option D is correct.    

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