Hi Aayushi,
We made a detailed and summary video of Theorem 10.5, please check it here https://teachoo.com/4731/1097/Theorem-10.5---Class-9th---There-is-only-one-circle-passing-through-three-non-collinear-points/category/Theorems/
If there are any more questions, please ask. :)
Written on March 2, 2017, 9:17 p.m.