The figure below shows two similar right triangular prisms.
What is the volume of Prism B rounded to the nearest hundredth cubic unit?
58.59
46.88
66.41
37.50
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OpenStudy (anonymous):
OpenStudy (akashdeepdeb):
If they are similar that would mean they are in some ratio right?
OpenStudy (anonymous):
Of course
OpenStudy (akashdeepdeb):
Calm down! :)
OpenStudy (anonymous):
I am calm
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OpenStudy (akashdeepdeb):
So 4/5 = 5/6.25 = 3/x
4/5 = 3/x
x = 15/4
So now find the volume by finding the area of the base triangle of the second triangle and multiplying with the new height = 15/4! :D
OpenStudy (anonymous):
that's not an answer
OpenStudy (akashdeepdeb):
What did you get?
OpenStudy (anonymous):
117.18
OpenStudy (akashdeepdeb):
Is 58.59 an answer?
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OpenStudy (anonymous):
Yea, but what you told me to multiply want an answer, how did you get 58.59?
OpenStudy (akashdeepdeb):
Okay check your calculation!
h*b/2 * HEIGHT OF PRISM!
h=5
b=6.25
HEIGHT OF PRISM = 15/4
Now solve! :)
OpenStudy (anonymous):
Ok, nothing was said about dividing by 2 though haha. Thanks!