Answer:
∠ O = 72°
Step-by-step explanation:
the inscribed angle R is half the measure of its intercepted arc NQ , then
arc NQ = 2 × 36° = 72°
the central angle O is equal to the measure of the arc that subtends it , so
∠ O = arc NQ = 72°
s= 18
and,
t= 48
These values makes it correct.
4 of 754 and 754 of 4. Also, try different strategies of showing work.