Answer:
The answer to your question is
or 
Step-by-step explanation:
Expression 
Process
1.- Change the division to a multiplication

2.- Factor


3.- Simplify (cancel the terms that are repeated in both numerator and denominator)

or 
Wait what is this? Is this supposed to be something
I think it's cost price
I heard it before somewhere
Hope I've been any help to you
Step-by-step explanation:
Triangle 1 can have 30°, 75° and 75° angles whereas Triangle 2 can have 30°, 30° and 120° angles.
Since they do not have all 3 congruent angles, they are not similar.