VTMO 2026 - Grade 9 - Semifinal - SET 09 - Self-study Question 11

Question 11

In the diagram A, B, C, D are concyclic and P is the external intersection of lines AB and DC. Given angles ADB=54°, ACD=58°, PBC=80°, find angle APD.

Question illustration

$32^\circ$
$16^\circ$
$84^\circ$
$42^\circ$
$40^\circ$