The angle that is next to 9x should be 180 - 9x because it is a straight angle.
Since there are 180 degrees in an angle we can add up the values to 180 and solve for x.
180- 9x + 5x + 9 + x = 180
-3x = -9
x = 3
Hope this helped!
Answer:
c is answer.....................
the answer for one is C
the answers for 2 is the first choice, third choice and last choice
the answer for three is D
