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A triangle has angle measures of 30 degrees and 70 degrees. What is the measure of the third angle?
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A triangle has angle measures of 30 degrees and 70 degrees. What is the measure of the third angle?

User Flater
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because a triangle's angles need to equal 180, you can subtract 100(30+70) and you will get 80. So 80 will be your third angle.
User RogerParis
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