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If angle P and angle Q are supplementary and the measure of angle P is 60°, then the measure of angle Q is (a) 120° (b) 60° (c) 30° (d) 20 |
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Answer» (a) 120o When the sum of the measures of two angles is 180o, the angles are called supplementary angles. P + Q = 180o 60o + Q = 180o Q = 180o – 60o Q = 120o |
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