1103021706

SubArea: 
Level: 
Project ID: 
1103021706
Source Problem: 
Accepted: 
1
Clonable: 
1
Easy: 
1
In the triangle \( ABC \), \( \alpha=80^{\circ} \) and \( \beta=70^{\circ} \) (see the picture). Determine the measure of the angle between the altitude to the side \( AB \) and the altitude to the side \( BC \).
\( 70^{\circ} \)
\( 120^{\circ} \)
\( 30^{\circ} \)
\( 60^{\circ} \)