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Finding the third angle of a triangle when you know the measurements of the other two angles is easy. All you've got to do is subtract the other angle measurements from 180° to get the measurement of the third angle. However, there are a few other ways to find the measurement of the third angle of a triangle, depending on the problem you're working with. If you want to know how to find that elusive third angle of a triangle, see Step 1 to get started.
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Co-authors: 24 Updated: April 30, 2022 Views: 241,835 Article Rating: 63% - 82 votes Categories: Geometry
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