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Please help!!! ill mark you as brain!

Please help!!! ill mark you as brain!-example-1
User Tasegula
by
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2 Answers

5 votes

Answer:

They're right

Explanation:

User IConfused
by
6.2k points
4 votes

given,

height of triangle(h)=3.5 in.

base of triangle (b)=4 in.

length of side of triangle(s)= 4 in.

length of prism(l)=9 in.

we have,

surface area of traingular prism( A)=bh+2ls+lb

=4×3.5+2×9×4+9×4

=14+72+36

=122 square inches

User Florian Schmitt
by
5.3k points