Mental Maths (2020-21) class 9 chapter 11. Heron's formula Q. 09, 10 NCERT. (part 6) Hindi/ English.

Dear students this video is for every students who read in class 9th. Please watch this video and learn how to solve Area of triangles by heron's formula. Please teach the poor students after learning. My whats app number is 8010099506. for question 1:-    • how to solve Heron's formula Mental Maths ...   for question 2:-    • Mental Maths (2020-21) class 9 chapter 11....   for question 3 and 4:-    • Mental Maths (2020-21) class 9 chapter 11....   for question 5 and 6:-    • Mental Maths (2020-21) class 9 chapter 11....   for question 7 and 8:-    • Mental Maths (2020-21) class 9 chapter 11....   thanks for watching.