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anonymous
 one year ago
The two figures are similar. The area of the smaller trapezoid is 771. The ratio of the smaller trapezoid to the bigger trapezoid is 28:64. What is the area of the bigger trapezoid?
a) 4,096 b) 4,028 c) 784 d) 21
anonymous
 one year ago
The two figures are similar. The area of the smaller trapezoid is 771. The ratio of the smaller trapezoid to the bigger trapezoid is 28:64. What is the area of the bigger trapezoid? a) 4,096 b) 4,028 c) 784 d) 21

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Is there missing info from the question?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yes my bad! What is the area of the bigger trapezoid?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Haha alright give me a min or two :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Sorry, I took a bit longer than I thought. I was getting help on my own question.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0It's fine, thank you so much!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0No problem. Do you need to know how to do it, or are you okay?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Can you please explain it. :)

kropot72
 one year ago
Best ResponseYou've already chosen the best response.0@kristinalgarcia I already showed you how to do basically the same question.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yes I'm aware of that but when I did it with the way you showed me on this problem the answer I got was not an answer choice.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Okay so they gave you the are of the *similar* trapezoid which was 771. And the ratio was 28:64. So, 28/28=1 , and 64/28 = 2.28571429... When you square 2.28... : (2.285...)^2 , you get 5.2244... which is the ratio of the areas of the similar trapezoids. So, the area of the bigger trapezoid is 5.2244... times bigger than the smaller one: 771(5.2244...) = 4,028.0816... => 4,028

kropot72
 one year ago
Best ResponseYou've already chosen the best response.0Just multiply by the square of the scale factor: \[\large 771\times(\frac{64}{28})^{2}=you\ can\ calculate\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Now I see what I did wrong. @kropot72

kropot72
 one year ago
Best ResponseYou've already chosen the best response.0@kristinalgarcia The way that I showed you gives one of the answer choices.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yep, ^ that is an easier, much more efficient way of solving it, provided you have a graphing calculator or sufficient calculator app. I can't do that on my phone, so I did it an alternate way, but both will give you the same answer! :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@Thatsodan Thank you!
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