How many degrees total are in a triangle?

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Dickie Allen Profile
Dickie Allen answered
In plain geometry there are a total of 180 degrees. However on a concave surface there will be less than 180 degrees. On a convex surface there will be more than 180 degrees. Only on a flat plain with there be 180 degrees.
thanked the writer.
Oddman
Oddman commented
180° in plane geometry, too.
Dickie Allen
Dickie Allen commented
I thought that is what I said in my first sentence. That is what plain geometry means: On a flat plain.
josue ernandez Profile
josue ernandez answered
180 degrees

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