Matching Pairs Triangle Properties Matching GameOnline version Match concepts related to the properties of triangles for a fun learning experience! by David Guzmán 1 The sum of all exterior angles of any triangle equals 2 Triangles are classified according to their sides in 3 Equilateral Triangle 4 What is the name of a triangle that has two sides of the same length and the third side of different lengths 5 The sum of all the interior angles of a triangle is: 6 Pythagorean Theorem 7 Obtuse Triangle 8 What is this triangle called? scalenes, isosceles and equilateral a² + b² = c² One angle > 90° isosceles Equilateral All sides equal Angles sum to 180° 360°