Answer:
36
Step-by-step explanation:
All angles in the triangle will equal to 180
Angle A = 180-98-46
A=36
70, 7*10 since it is 1/10 of that number
(-2.5,6.1)(-2.5,3.1).....notice how ur x values are the same. This means that u have a vertical line which has an undefined slope.
IF ur y values would have been the same, u would have had a horizontal line which has a 0 slope.