The 3 interior angles of a triangle add up to 180 degrees
The exterior angles of any polygon add up to 360 degrees.
The exterior angles of any polygon add up to 360.
The angles of any triangle add up to 180 degrees.
All angles in any trapezoid add up to 360 degrees
The exterior angles of any polygon add up to 360 degrees
The 3 interior angles of any triangle add up to 180 degrees
The 4 interior angles of any quadrilateral add up to 360 degrees
The 3 interior angles of any triangle add up to 180 degrees
The three interior angles of any triangle add up to 180 degrees
Any type of triangle will have angles that add up to 180o. yet two angles of an isosceles triangle are equal
The 3 interior angles of ant triangle add up to 180 degrees.