Answer:

Step-by-step explanation:
The Law of Sines is given by
and works for any triangle.
Therefore, we have the proportion:

Answer:
0.15 is the answer
Step-by-step explanation:
Answer:answer is 387
Step-by-step explanation:ok got it
Answer:A can be use to form a triangle.
Step-by-step explanation:
a+b>C
5+18 >20
23>20
SO this is a triangle since if you add A and B together it is greater than C.