In a triangle, the sum of the interior angles is 180.
So, you have

Plug the values for angles A and C:

Answer:
The answer is d) 4d = 320 - 60 becasue d is the dollors he made per hour and the repairman worked for 4 hours so you multiply 4 times d and then you subtract 60 from the total to get your final answer. If you subtracted already then you would divide that answer by 4 then you would find out how much the repairman maid per hour.
Answer:
x = 11°
Step-by-step explanation:
x = 11° because it is an alternate interior angle to 11°