Answer:
About 0.5
Step-by-step explanation:
By the law of sines:

Hope this helps!
Answer:
20*20+CD=400+CD
Step-by-step explanation:
Multiply
20
by
20
Answer:
R=12 is the solution
I don't know how to explain but it needs to be 20 characters
circumference is C = πd, d = diameter.
we know the diameter is 60, so one time around the track is just C = π60 which if you plug that in your calculator, we get C ≈ 188.4955592153876.