Observe o círculo
\[P\] abaixo.
A circle that is centered around point P. Points A, B, and C all lie on this circle in a clockwise direction. Line segments A P, B P, and C P are radii of the circle. The angle A P B is four y plus six degrees. The angle A P C is seven Y minus seven degrees. Angle B P C is twenty y minus eleven degrees.
\[P\]