65 degree angle. I know this because you can obviously see it is an equilateral triangle and that means all the angles are the same.
The answer is x ( - 1 , - 3 ) and y ( - 6 , 2 ) ...the coordinte will only exchange between the 2 coordinate because it is rotate 180°
Answer:
18 inches
Step-by-step explanation:
none of the other side lengths could reach to the side length of the 12 inch side.
24 would be a common denominator

We are trying to isolate
. Subtract
from both sides. 
Find the square root of both sides. 
<em>Note: I've attached a graph of
.</em>