a - (180 -a) = 30 -> 2a -180 = 30 -> a = 105° and therfore b= 75°
Answer:
The second graph
Step-by-step explanation:
The slope can be found by dividing the rise by the run
Choosing two points on the line (I will choose 4,4 and 8,5)
The vertical distance (rise) between these two points is 1
The horizontal distance (run) between these two points is 4
Rise/Run
1/4
Answer:
73°
Step-by-step explanation:
3x + x - 17 + 2x - 61 = 360°
6x - 78 = 360°
6x = 438°
x = 73°
Answer:
don't understand....................
