Find the volume of this triangular prism. Be sure to include the correct unit in your answer.
5 m
9 m
5 m

112.5 m³

Step-by-step explanation:

Volume = area triangle x height

Area triangle = 1/2(5 x 5) = 1/2(25) = 12.5

Volume = 12.5*9 = 112.5

Units = m³

Volume = 112.5 m³

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-Chetan K

Let's find the triangle's area first:

5 x 5 x 1/2 = 12.5

Now we multiply by it's width since it is a prism:

12.5 x 9 = 112.5 m3, is your answer.

x = 10.1

step-by-step explanation:

all of the angles of a tirangle add up to 180º

180 - 65 = 115 (since we already know the value of one angle)

(2x + 7) + (8x + 7) = 115

(combins like terms) 10x + 14 = 115

(isolate the variable subtract 14 from both sides): 10x = 101

(find the variable divide both sides by 10): x = 101/10

x = 10.1

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