Q 1, Ex. 12.2 – Heron’s Formula (NCERT Maths Class 9th)
https://youtube.com/watch?v=hETYpYCOATs
Q 3, Ex. 12.2, Page No 206 – Heron’s Formula (NCERT Maths Class 9th)
https://youtube.com/watch?v=yf8ELEfx0Vs
Q 4, Ex. 12.2, Page No 206 – Heron’s Formula (NCERT Maths Class 9th)
https://youtube.com/watch?v=bXrPtGqNV3Q
Q 5, Ex. 12.2, Page No 207 – Heron’s Formula (NCERT Maths Class 9th)
https://youtube.com/watch?v=PiDOk5h7s3I
Q 6, Ex. 12.2, Page No 207 – Heron’s Formula (NCERT Maths Class 9th)
https://youtube.com/watch?v=O1e0rts6V7E
Q 7, Ex. 12.2, Page No 207 – Heron’s Formula (NCERT Maths Class 9th)
https://youtube.com/watch?v=7hFZ8kiZqss
Q-8, Ex – 12.2 – Heron’s Formula, Chapter 12, NCERT Class 9th Maths
Q 9, Ex. 12.2, Page No 207 – Heron’s Formula (NCERT Maths Class 9th)
https://www.youtube.com/watch?v=q03WehSGTHM