Hopefully this is translated properly:
A polygon is inscribed in a circle where the corners of the polygon are named A-D. The angles given by ABD and BDC are 50∘ and 35∘ respectively. Calculate the angles given by BD and AC.
A polygon is inscribed in a circle where the corners of the polygon are named A-D. The angles given by ABD and BDC are 50∘ and 35∘ respectively. Calculate the angles given by BD and AC.