( Ch.) 7 TRIANGLES: Class 9th MATHEMATICS ( Ch.) 7 TRIANGLES: Lesson Content 0% Complete 0/8 Steps 7.1 INTRODUCTION 7.2 CONGRUENCE OF TRIANGLES 7.3 SOME PROPERTIES Of A TRIANGLE 7.4 MORE CRITERIA FOR CONGRUENCE OF TRIANGLES 7.5 SOME INEQUALITIES IN A TRIANGLE 7.6 MULTIPLE CHOICE QUESTIONS (MCQ’s) 7.7 summary 7.8 TEST YOURSELF. Previous Lesson Back to Course Next Lesson admin2020-09-23T05:01:43+00:00