Practice with Lines and Angles

1. \(\angle C B D\) or \(\angle D B C\)

3. \(\angle A E D\) or \(\angle D E A\)

5. \(\angle A B C\) or \(\angle C B A\)

1. \(\text { (a) } 53^{\circ}  \qquad \text { (b) } 45^{\circ} \qquad \text { (c) } 37^{\circ}  \qquad 

\text { (d) } 30^{\circ}\) 

7. \(\text { (a) } 150^{\circ}  \qquad \text { (b) } 143^{\circ} \qquad \text { (c) } 90^{\circ}  \qquad 

\text { (d) } 60^{\circ}\)