R = d/t is the answer. Hope this helped
Answer:
9.9
use the special triangle formula or use cosine to find BC
Trigonometric Formula's:


Given to verify the following:













Hence, verified the trigonometric identity.
The answer is 10/3. Because you have 3 wholes and 1/3 so, 3x3 is 9 and you still have the extra 1 so 9+1=10 therefore your answer would be 10/3