180 i think
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Since the definition of an equilateral triangle is "a triangle with three equal sides", it must therefore also have three equal angles. Since the angles in any triangle add up to 180 degrees, each of those angles is 60 degrees.
The interior angles of a triangle add up to 180. So a triangle with 3 equal sides (or angles) will have 60-degree angles. * * * * * True, but the question is about an isosceles triangle, not an equilateral triangle. The angles of an isosceles triangle are x, x and 180-2x degree where x is a measure between 0 and 90 degrees.
All Triangles add up to 180 degrees, no matter if it is Right or Scalene or ANY TRIANGLE!! If it does not, it is not a triangle!
There are 3 angles in a triangle and they add up to 180 degrees
ANY triangle MUST add up to 180 degrees.