Answer:
To see if multiple ratios are proportional, you could write them as fractions, reduce them, and compare them. If the reduced fractions are all the same, then you have proportional ratios.
Step-by-step explanation:
Because all three angles add up to 180 (a line) it would be 65+65, or 130 degrees. Then subtract 130 from 180. your missing angle is 50 degrees
Answer:
110.4
Step-by-step explanation: