3. The ratio of two supplementary angles are 1:3. What is the measure of the smaller angle? A. 30$^\circ$ B. 45$^\circ$ C. 60$^\circ$ D. 75$^\circ$
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Let's call the smaller angle x. The larger angle would then be 1.3x, since the ratio of the two angles is 1.3. Since the angles are supplementary, we can set up the equation: x + 1.3x = 180 Combining like terms, we get: 2.3x = 180 Dividing both sides Show more…
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