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