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Mathematics 15 Online
OpenStudy (anonymous):

In a triangle, the second angle is twice the measure of the first, and the third angle is three times the measure of the second. Find the measure of the third angle. A. 20 degrees B. 30 degrees C. 120 degrees D. 180 degrees

OpenStudy (anonymous):

The sum of all three angles of a triangle is equal to 180 degrees. Represent each angle algebraically.

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