When a graph is flat, all of the y values for the domain are equal, so the graph has a slope of zero.
A triangle has an inner angle sum of 180°
you have an angle of 30°, x° and one congruent to the x° one
so 30+x+x=180
2x=150
x=75°
Answer:
sorry i was unable to do the last prblem
Step-by-step explanation: