Answer:MATHPAPA.COM
Step-by-step explanation:
Answer: x = 3
Step-by-step explanation:
x + 9 = 12
x = 12 - 9
x = 3
Answer:
83
Step-by-step explanation:
The 126 angle is an exterior angle of the triangle.
The 43 and x angles are the two remote interior angles of the 126 angle.
<em>Theorem:</em>
<em>The measure of an exterior angle of a triangle equals the sum of the measures of the remote interior angles.</em>
x + 43 = 126
x = 83
Step-by-step explanation:
hope it's helpful.........
