Answer:
34
Step-by-step explanation:
All angles of a triangle add up to 180 degrees so you would subtract from 180 with the angles you already have to get your answer. 180 - 115 - 31 = B which is 34.
Answer:
8/3 is the fraction and 8 1/3 is the mix number
Step-by-step explanation:
If the diameter is 16 inches, then its radius is half that, r = 8.