Homework Help: 6th grade math

Posted by Sue on Monday, February 1, 2010 at 11:08pm.

Which expression could you use to find the measure of an angle that is supplementary to 63 degrees.
A) 90 degrees + 63 degrees
B) 90 degrees - 63 degrees
C) 180 degrees + 63 degrees
D) 180 degrees - 63 degrees

6th grade math - drwls, Monday, February 1, 2010 at 11:29pm
From the definition of a supplementary angle (that the sum of the two must be 180), the answer is (D)
6th grade math - megan, Sunday, February 21, 2010 at 1:09pm
(D)

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