180
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all of the angles in a triangle add up to 180 degrees
180 degrees
All angles of a triangle total to 180 degrees.
No. By definition, an acute triangle is a triangle where all three angles are <90 degrees. Therefore, an equilateral triangle, where all the angles are 60 degrees would qualify as an acute triangle.
All triangles have internal angles summing to 180 degrees. An equilateral triangle has three equal angles, each of which is 180/3 = 60 degrees.