The two triangles below are similar. What is the similarity ratio of ΔDEF to ΔABC?

Question

anonymous · Answer

attachment

acxbox22 · Answer

8:4=2:1=2
i got 8 from one side on the larger triangle and 4 from the corresponding side on the other triangle

anonymous · Answer

2:1 ? you sure? because I sometimes get confused with 1:2

anonymous · Answer

@Hero

acxbox22 · Answer

good thing you spotted that ...

hero · Answer

ΔDEF/ΔABC = 1/2

acxbox22 · Answer

it says def to abc
and i did the ratio for abc to def
so it is just 1/2 by taking its reciprocal

anonymous · Answer

Yay! I gotta stop doubting myself. thanks you guys.

hero · Answer

I was demonstrating a way to do it so that people don't get it backwards.

hero · Answer

If you start off with ΔDEF/ΔABC equals .... then you should be able to correspond the right numbers without mixing them up.