VTMO 2026 - Grade 7 - Semifinal - SET 9 - Self-study Question 18

Question 18

In quadrilateral $ABCD$ shown, $\angle ABC=75^\circ$, $\angle BCA=30^\circ$, $\angle CAD=50^\circ$ and $BC=AD$. Find $\angle ADC$.

Question illustration

$75^\circ$
$65^\circ$
$60^\circ$
$55^\circ$
$50^\circ$