Level:
Project ID:
1003021710
Accepted:
1
Clonable:
0
Easy:
1
In a right-angled triangle \( ABC \) with a right angle at the vertex \( A \) the measure of the angle \( ABC \) is \( 50^{\circ} \). Give the measure of the angle \( BCA \).
\( 40^{\circ} \)
\( 90^{\circ} \)
\( 30^{\circ} \)
\( 180^{\circ} \)