Matching Pairs Properties of a triangle (D)Online version Find the pair of each column and join them. by Tatiana Cruz 1 A exterior angle is equal to opposite interior angles 2 A triangle is 3 Adding two sides of a triangle 4 Angles sum property of a triangle 5 The largest side is The sum of the interior angles is 180° Exerior angle property of a triangle the result is greater than the third side a polygon with 3 angles, 3 vertices, and 3 sides the side opposite the largest angle