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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