SOLUTION: If <D and <E are supplementary angles and <D = 50°, what is the measurement of <E

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Question 723210: If
Answer by MathLover1(20850) About Me  (Show Source):
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Supplementary angles are pairs of angles that add up to 180 degrees.
< D and < E are supplementary angles and < D+=+50°,
the measurement of < E will be
< E=180-D
< E=180-50

< E=130°