yes two different
angles can make
a triangle
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It is impossible to have a triangle with two right angles. This is because a triangle=180 degrees. Two right angles would make up all of the 180 degrees.
A scalene triangle is a triangle in which all three sides and all three angles are different. Therefore two angles of a scalene triangle are NEVER congruent.
In normal geometry, it's not possible to make a triangle with two obtuse angles. It is possible to make a triangle with two obtuse angles in spherical geometry -- it's a kind of "spherical triangle". It is possible to make a triangle with two obtuse angles in some kinds of non-Euclidean geometry -- it's a kind of "non-Euclidean triangle".
The scalene triangles are weird because they are defined by what they aren't. The inside angles of a scalene triangle are always all different. If all three angles are different, then the triangle is scalene, and all the sides are different lengths. Imagine two angles are the same. The triangle would then be an Isosceles triangle, which has two sides the same length. If all three angles are the same, it would be an equilateral triangle and all three sides would be the same length.
a triangle always forms two angles?