Chapter 1 - Quiz (Sections 1.1-1.2): 1

$a: 71^{\circ}; b= 161^{\circ}$

Work Step by Step

1. Complementary angles have a sum of 90 degrees $a: 90^{\circ} - 19^{\circ}=71^{\circ}$ 2. Supplementary angles have a sum of 180 degrees $b: 180^{\circ}- 19^{\circ} =161^{\circ}$

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