The 3 equal interior angles of 60 degrees add up to 180 degrees
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No, an equilateral triangle can't have a right angle, because an equilateral triangle has 3 equal angles of 60 degrees that add up to 180 degrees.
An equilateral triangle has 3 equal sides and 3 equal 60 interior angles that add up to 180 degrees
Equilateral triangles add up to 180 degrees divided by 3 (3 sides on a triangle) which gives yo 60 degrees on each angle.
An equilateral triangle is a regular polygon because it has 3 equal sides and 3 equal 60 degree angles that add up to 180 degrees.
Both triangles have 3 sides which add up to 180 degrees. In fact, all triangles do.