williamcoleman5 williamcoleman5

12-09-2017
Mathematics

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The sum of 2 interior angles of a triangle is 140°. What is the measure of the third interior angle? A. 220° B. 40° C. 30° or D. 50°?

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IAppreciateIT IAppreciateIT

12-09-2017

40°, the sum of all interior angles in a triangle should add up to 180°

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musiclover10045 musiclover10045

12-09-2017

the 3 interior angles of a triangle need to = 180

so 180-140 = 40

the 3rd angle is 40 degrees

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