Step-by-step explanation:
The Circumference is:

Radius r is:

So,

Answer:
Step-by-step explanation:
See attachment
The sine of the angle = the length of the opposite side. the length of the hypotenuse.
The cosine of the angle = the length of the adjacent side. the length of the hypotenuse.
The tangent of the angle = the length of the opposite side. the length of the adjacent side.
Your Welcome!
Answer:
$1.25
Step-by-step explanation: