Practice with Lines and Angles

Complete these exercises and check your answers.


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,
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