Hello Qutbuddin,
There is a video of Theorem 6.5 Class 9, scroll down. Please check https://www.teachoo.com/4261/1041/Theorem-6.5---Class-9---If-interior-angles-are-supplementary--lines/category/Theorems-/
Written on Sept. 6, 2017, 5:39 p.m.
Hello Qutbuddin,
There is a video of Theorem 6.5 Class 9, scroll down. Please check https://www.teachoo.com/4261/1041/Theorem-6.5---Class-9---If-interior-angles-are-supplementary--lines/category/Theorems-/
Written on Sept. 6, 2017, 5:39 p.m.