Practice with Lines and Angles

For each figure, give another name for \(\angle x\):

1. Find the complement of an angle of

(a) \(37^{\circ}\)

(b) \(45^{\circ}\)

(c) \(53^{\circ}\)

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

7. Find the supplement of an angle of

(a) \(30^{\circ}\)

(b) \(37^{\circ}\)

(c) \(90^{\circ}\)

(d) \(120^{\circ}\)

Source: Henry Africk, https://academicworks.cuny.edu/cgi/viewcontent.cgi?article=1007&context=ny_oers
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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}\)