Question

A circle is intercepted by five central angles each measures m, n, (p + 45), 75, and 111 degrees. Which is m + n + p?
Answer 134 degrees
132 degrees
131 degrees
129 degrees

Answer 1

sum of all central angles has to be 360°

75° + 111° = 186°

so m + n + (p + 45) = 360° - 186°
m + n + (p + 45) = 174°
m + n + p = 174° - 45°
m + n + p = 129°