Answer:
The statement is always TRUE
Step-by-step explanation:
An equilateral triangle has all angles and all sides equal
The sum of angles in a triangle is 180 degrees.
Let each of the angles be x degrees.
Then we solve the following equation for x.



The first one is B and the second one is C
Answer:
-2
Step-by-step explanation:
because the slope is 2, a perpendicular line must be the inverse
the equation for y1 is y=2x+1
y2= -2y+1