Hey I think the answer is -9
Answer:
180
Step-by-step explanation:
The slope of this line would be change in y divided by change in x. (8-2)/(6–4) = 6/10. In simplified terms, it would be a slope of 3/5.
The measurement of the second angle is 42°. All of the angles of a triangle add up to a total of 180°. If two angles add up to 138°. Then the last angle has to be 42° (180-138).
No .........................................................:)
