The sum of the angles in any triangle is always 180 degrees.

Explanation:

A triangle is a closed two-dimensional geometric shape with three sides and three angles. According to the basic properties of triangles in Euclidean geometry, the interior angles always add up to 180 degrees, regardless of the type of triangle (scalene, isosceles, or equilateral).

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Related Questions:

1. What is the sum of exterior angles in any polygon?
2. How can you prove the sum of angles in a triangle using a straight line?
3. Does this rule apply to non-Euclidean geometry?
4. What are the individual angles in an equilateral triangle?
5. How does this property help in solving for unknown angles in a triangle?

Tip: Always check the type of geometry you're working in, as rules differ in non-Euclidean spaces.