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OpenStudy (anonymous):
What is the volume of the triangular prism?
A.
52 ft3
B.
104 ft3
C.
2002 ft3
D.
4004 ft3
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OpenStudy (anonymous):
OpenStudy (anonymous):
@iPwnBunnies
OpenStudy (anonymous):
I think its d but i can easily b wrong
OpenStudy (jdoe0001):
notice the rectangular bottom of the prism
what do you think is the area of the rectangular bottom?
OpenStudy (anonymous):
Im going to be honest i have no idea .. :p srry
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OpenStudy (jdoe0001):
|dw:1401752584297:dw|
OpenStudy (anonymous):
308
OpenStudy (jdoe0001):
see the rectangular bottom now? tis just a rectangle
OpenStudy (jdoe0001):
ahemm ... shoot.. hold on.. I misunderstood the prism for a pyramid =)
OpenStudy (anonymous):
ok
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OpenStudy (jdoe0001):
you don't need the base anyhow... so... lemme do it anyway
the volume of the prism will be, the AREA OF THE TRIANGULAR FACE times the LENGTH of it
OpenStudy (anonymous):
So i do 28 * 11 or 13? or am i way off
OpenStudy (jdoe0001):
\(\bf \textit{area of a triangle}=\cfrac{1}{2}\cdot base\cdot height\to \cfrac{1}{2}\cdot 11\cdot 13\to {\color{red}{ \square }}
\\ \quad \\
\textit{volume of the triangular prism}={\color{red}{ \square }}\cdot 28\)
OpenStudy (anonymous):
A little more help? i dont know why im always so stuck :/
OpenStudy (jdoe0001):
didn't get the volume?
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OpenStudy (anonymous):
2002?
OpenStudy (jdoe0001):
yeap
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