Pick a Letter
exterior angle - formed when a side of a triangle has been extended
scalene triangle - no congruent sides lengths
remote interior angles - non-adjacent interior angles to the exterior angle of a triangle
exterior angle theorem - states that the measure of an exterior angle in a triangle is equal to the sum measures of the two non adjacent interior angles
acute triangle - triangle with three acute angles
equilateral triangle - triangle with three congruent side lengths
obtuse triangle - triangle with one obtuse angle
isosceles triangle - triangle with at least two congruent side lengths
right triangle - triangle with one right angle
triangle sum theorem - this theorem states that the sum of all three angles in a triangle is 180°
