In the below figure, lines \(l\) and \(m\) intersect. If \(∠a\) and \(∠b\) are in the ratio \(1:2\), find the measure of \(∠b\) and \(∠c\).
 
adjacent angles.jpg
 
 
Answer:
 
\(\angle b =\) \(^{\circ}\)
 
\(\angle c = \) \(^{\circ}\)