The three inside angles of a triangle need to equal 180 degrees.
To find X subtract the two known angles from 180.
X = 180 - 45 - 70
X = 65 degrees.
When x=1 and -2 so it is C
The answer is at 7:12 a.m, did you get that?
The first one is < the second one is < and the last one is =
