Ex 6.2 Q-4 Ch-6 Lines and Angles Cbse Class 9 Maths NCERT Exemplar

This video is a explanation of Class 9 Maths NCERT Exemplar Ex Exercise 6.2 Question-4 Ch-6 Lines and Angles Cbse the question says The question says How many triangles can be drawn having its angles as 45 degree, 64° and 72 degree? Give reasons for your answer We have used the concept of angle sum property of triangle (Theorem 6.7) which is derived from the concepts of parallel lines and transversal. #class9maths #class9 #maths #exemplar #linesandanglesclass9 #ncert #ncertsolutions #correspondingangles #alternateinteriorangles #linearpair #anglesumpropertyoftriangle #exteriorangles