kaylalynnsavage07 kaylalynnsavage07

11-11-2018
Mathematics

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Two angles in a triangle add up to 78o.
What is the size of the third angle?

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thebigo78angel thebigo78angel

11-11-2018

I will presume that 78o means 78°, since we already have the sum of the measure of two angles, we just have to subtract. Since every angle in a triangle measures up to be 180° no more no less, we can subtract 180-78 and the answer is 102°

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