Posted by Anonymous on Sunday, October 31, 2010 at 8:59pm.
Line m is parallel to line n. The measure of angle 3 is (2x− 3)°. The measure of angle 6 is (x + 39)°. What is the measure of angle 3?

10th grade  Jen, Sunday, October 31, 2010 at 9:10pm
Are they corresponding angles? If so, 2x3=x+39. Are they supplementary angles? If so, 2x3+x+39=180. Are they complementary angles? If so, 2x3+x+39=90.
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