Answer:
or 
Step-by-step explanation:
I assume you mean 
there is a common factor of 9 in the numerator and denominator so we can cancel out to form
is technically a correct answer, but I will go ahead to rationalize the denominator
multiply
by some form of 1. this case, we will use
as our 1.
*
=
= 
Answer:
You can name a specific angle by using the vertex point, and a point on each of the angle's rays. The name of the angle is simply the three letters representing those points, with the vertex point listed in the middle. You can also name angles by looking at their size.