Multiple Choice
If angle measures , what is the measure of the angle that is complementary to angle ?
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1. Measuring Angles
Complementary and Supplementary Angles
Multiple Choice
Which of the following pairs of angles is supplementary?
A
and
B
and
C
and
D
and
Verified step by step guidance1
Recall the definition of supplementary angles: two angles are supplementary if the sum of their measures is exactly \(180^\circ\).
Check the first pair: \(60^\circ\) and \(120^\circ\). Calculate their sum: \(60^\circ + 120^\circ\).
Check the second pair: \(30^\circ\) and \(60^\circ\). Calculate their sum: \(30^\circ + 60^\circ\).
Check the third pair: \(90^\circ\) and \(90^\circ\). Calculate their sum: \(90^\circ + 90^\circ\).
Check the fourth pair: \(45^\circ\) and \(45^\circ\). Calculate their sum: \(45^\circ + 45^\circ\). Identify which pair sums to \(180^\circ\) to determine the supplementary angles.
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