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crystal1
Group Title
The ratio of the heights of two similar rectangular prisms is 2:3. What is the ratio of their lateral areas?
8:27
2:5
4:9
1:0.33
 2 years ago
 2 years ago
crystal1 Group Title
The ratio of the heights of two similar rectangular prisms is 2:3. What is the ratio of their lateral areas? 8:27 2:5 4:9 1:0.33
 2 years ago
 2 years ago

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jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
If the ratio of two sides is x:y then the ratio of the surface areas is x^2:y^2
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
you're welcome
 2 years ago

crystal1 Group TitleBest ResponseYou've already chosen the best response.1
what ^ means
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
x^2 means \(\Large x^2\)
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
the ^ tells the next number to go up and become an exponent
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
sry I should have been more clear, let me know what you get for the answer
 2 years ago

crystal1 Group TitleBest ResponseYou've already chosen the best response.1
so the correct answer is b
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
no
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
2^2 = ???
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
yes, 2^2 = 4 and 3^2 = 9 so if the sides are in ratio of 2:3, then the surface areas are in ratio of 4:9
 2 years ago

crystal1 Group TitleBest ResponseYou've already chosen the best response.1
thanks for the medal and hellp
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
you're welcome, you earned it by getting the correct answer and you hopefully see how to get it?
 2 years ago
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