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If a triangle has angle measures of 60 and 84, what is the measure of the third angle

User Milanka
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1 Answer

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the three inside angles always equal 180

so to find the missing angle subtract the 2 known angles from 180:

180 - 60 = 120
120 - 84 = 36

the unknown angle = 36 degrees

User Twirlman
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