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Question
The angles x – 10° and 190° – x are ______.
Options
interior angles on the same side of the transversal
making a linear pair
complementary
supplementary
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Solution
The angles x – 10° and 190° – x are supplementary.
Explanation:
When the sum of the measures of two angles is 180°, then the angles are called supplementary angles.
x – 10° + 190° – x = 180°
190° – 10 = 180°
180° = 180°
LHS = RHS
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