rubyemoji rubyemoji

01-11-2017
Mathematics

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triangles ABC and DEF are similar. what is the length of side EF

triangles ABC and DEF are similar what is the length of side EF class=

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tgpatterson02 tgpatterson02

01-11-2017

To find that out, we must find out how much larger <DEF is than <ABC
So we take the sides DE and divide it by AB
4.5/3=1.5
That means <DEF is 1.5 times larger than <ABC
So now, we take BC, and multiply it by 1.5
2 x 1.5 = 3
So EF=3
Hope this helps!

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