Hello Vijay,
Please check Theorem 10.8 of Class 9 here https://www.teachoo.com/4734/1097/Theorem-10.8---Class-9th---Angle-subtended-by-arc-at-centre-is-double-the-angle-at-any-other-point/category/Theorems/
Written on April 4, 2017, 2:17 p.m.
Hello Vijay,
Please check Theorem 10.8 of Class 9 here https://www.teachoo.com/4734/1097/Theorem-10.8---Class-9th---Angle-subtended-by-arc-at-centre-is-double-the-angle-at-any-other-point/category/Theorems/
Written on April 4, 2017, 2:17 p.m.