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Mathematics 18 Online
OpenStudy (anonymous):

.What is m1 in this parallelogram? There's a Photo attached

OpenStudy (anonymous):

OpenStudy (anonymous):

Answer choices a.20o b.60o c.80o d.100o

OpenStudy (mathstudent55):

Consecutive angles in a parallelogram are supplementary. That means their add up to 180 degrees. That means in this problem that 3m + 20 + 5m = 180 Solve the equation for m

OpenStudy (mathstudent55):

After you solve for m, then angle 1 has the same measure as the agle opposite it, 3m + 20.

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