In quadrilateral ABCD, the bisectors of angle A and angle B meet in a point P. If ∠ C=105∘ and ∠ D=55∘, find the measure of angle APB.

In quadrilateral ABCD, the bisectors of angle A and angle B meet in a

1.	In quadrilateral ABCD, the bisectors of angle A and angle B meet in a point P. If ∠ C=105∘ and ∠ D=55∘, find the measure of angle APB.
Answer» In quadrilateral ABCD, the bisectors of angle A and angle B meet in a point P. If $∠ C = 105^{\circ}$ and $∠ D = 55^{\circ}$ , find the measure of angle APB.