The points in a triangle has to be 180 degrees to be a triangle.
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Any type of triangle will have angles that add up to 180o. yet two angles of an isosceles triangle are equal
The three interior angles of any triangle add up to 180 degrees
The 3 interior angles of any triangle will add up to 180 degrees.
The 3 interior angles of any triangle add up to 180 degrees
All interior angles of a triangle MUST (a triangle by definition states that all interior angles MUST) add up to 180. Any measures would work, provided the three angles would add up to 180*....so a triangle with angles 1, 1, and 178 degrees works, as well as a triangle with 60, 60, and 60 degrees. Any angle combinations work, as long as the three angles add up to 180.