What are 2 similar pairs?

[KAM]

I need to find 2 similar pairs to a and b in a picture that looks like this:




Any thoughts?

 

[tkhunny]

What is the relationship between A and B?

Do C and D have the same relationship?

 

[soroban]

Hello, KAM!

This is possibly the most vague problem ever posted . . .
But I will fearlessly take a guess.

I need to find 2 similar pairs to a and b in a picture that looks like this:


View attachment 1955

Any thoughts?

\(\displaystyle A\) and \(\displaystyle B\) have lengths in the ratio \(\displaystyle 1\!:\!2.\)

\(\displaystyle \text{And so do }B\!:\!D\text{ and }C\!:\!F.\)