When is it necessary to use three points to name an angle? If CP bisects and DPB , what is the measure of angle CPB?

When is it necessary to use three points to name an angle If CP bisects and DPB what is the measure of angle CPB class=

Respuesta :

Angle CP = 45 degrees, because it's bisecting a right angle (90 degrees) and half of 90 degrees is 45.