Answer:

Step-by-step explanation:
Given

Required
Evaluate when n = 12
Substitute 12 for n in 

Simplify the fraction


The measure of the intercepted arc is twice the measure of the tangent-chord angle:
2×74° = 148°
The measure of the intercepted arc is 148°.
Answer:
8r+72
Step-by-step explanation:
Answer:
1.0892*10²
Step-by-step explanation:
1.0892*10²