charlottleisthe charlottleisthe

10-11-2016
Mathematics

contestada

find the measure of the third angle of a triangle given the measures of two angles
57 and 101
72 and 72
x and 20

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tdanderson tdanderson

13-11-2016

We know that all three angles in a triangle must add to 180 degrees so we can use this fact to find the measure of the missing angles.
180-57-101= 22 degrees
180-72-72=36 degrees
180-x-20=160-x degrees

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