# 12 Chemistry by Level Up Learning

### CH 6 LEC 22 Analytical Proofs of Important Properties of a Circle Part 3

This video lecture from Conic Sections (F.Sc. second year Mathematics) covers: some theorems on circle like congruent chords of a circle are equidistant from centre and an angle in a semi circle is a right angle. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.