In the diagram, O is the center of the circle. \(\overline{P...
In the diagram, O is the center of the circle. ¯PQ and ¯RS are tangents to the circle. Find the value of (M + N).
A.
120o
B.
90o
C.
75o
D.
60o
Correct answer is B
m + n + 90o + 180o (sum of angle in a △)
m + n = 180o - 90o
m + n =90o