Answer is:180
Add 120 and 140 which gives you 360 and divide by 2 since there is 2 numbers which gives you 180 :)
Answer:
Step-by-step explanation:
Remember that
Using proportion
Simplify what you do not have anything written down or anything to look at.
Since the sum of the measures of the angles exceed 180 degrees, 90 + 45 + 50 = 185 degrees, these measurements cannot make a triangle.
LETTER B