6+ Questions Geometry: Angle Relationships – Triangles and Parallel Lines #Geometry #grade8 Use facts about the sum of the #interior #angles of a #triangle, #exterior angles of triangles, angles created when #parallel lines are cut by a #transversal, ... Math_by_Kahoot, 08/30/2017 answers 750 plays Play The interior angles of a triangle have a sum of _____. 90° 180° 270° 360° What is the value of 𝒙? 59° 69° 78° 121° What is the value of 𝒙? 45° 125° 135° 145° Which statement is true about the triangles? The triangles are similar. The triangles are obtuse. The triangles are isosceles. The triangles are congruent. Two of the angles in a triangle measure 56° and 111°. What is the measure of the third angle? 13° 23° 34° 69° … and 5 more awesome questions! Check them out by clicking “Play”.