Answer:
Statement 1. P
Reason 1. Theorem: The measure of an external angle of a triangle is equal to the sum of the measures of the remote interior angles.
Statement 2. 132 = 3x + 54
Statement 3. x = 26
Answer:
multiply each term in the bracket by the expression outside the bracket
:)
Step-by-step explanation:
Answer:

Step-by-step explanation:
Angles in a triangle add up to 180°


Angles on a straight line add up to 180°

