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KierseyClemons
 2 years ago
Help!?!?These two rectangular prisms are similar. Find the volume of the larger rectangular prism
KierseyClemons
 2 years ago
Help!?!?These two rectangular prisms are similar. Find the volume of the larger rectangular prism

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Directrix
 2 years ago
Best ResponseYou've already chosen the best response.1If two solids are similar, the cube of their scale factor is equal to the ratio of their volumes. In this problem, 4/12 or 1/3 is the scale factor.

Directrix
 2 years ago
Best ResponseYou've already chosen the best response.1The cube of (1/3) = 24/V where V is the volume of the larger prism.

Directrix
 2 years ago
Best ResponseYou've already chosen the best response.1(1/3)^3 = 24/V Solve the equation for V.

Directrix
 2 years ago
Best ResponseYou've already chosen the best response.1@not_so_smart Question?

not_so_smart
 2 years ago
Best ResponseYou've already chosen the best response.0I got 192cm3 but that's wrong. Whats the answer so I can work the steps backwards? thanks

Directrix
 2 years ago
Best ResponseYou've already chosen the best response.1Is your question identical to this one? http://openstudy.com/study#/updates/523bf07ae4b00182897ed413

Directrix
 2 years ago
Best ResponseYou've already chosen the best response.1@not_so_smart What equation did you use to get 192cm3 ?

Directrix
 2 years ago
Best ResponseYou've already chosen the best response.1(1/3)^3 = 24/V 1/27 = 24/V Cross multiply: V = 27 * 24 V = ? @not_so_smart Just multiply those two numbers.

not_so_smart
 2 years ago
Best ResponseYou've already chosen the best response.0648? I think i get it now. Thank u. It helped to do it backwards.

Directrix
 2 years ago
Best ResponseYou've already chosen the best response.1Yes, you are welcome.
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