Answer:
Below.
Explanation:
Construct 2 lines from O to A and O to D to form the 2 triangles APO and DPO.
Now OP is common to both triangle.
AO = DO ( both lines are radii of the circle).
< OPA = <OPD (Given)
Therefore the 2 triangles are congruent by SSA.
Therefore AP = DP.