Circle Theorem | Circle Geometry | CSEC Maths | The angle in a semi-circle is 90 degrees

This video shows the proof behind the theorem that the angle in a semi-circle is 90 degrees.

[trinityhamied]

Ur editing skills are pretty cool. Also I have a circle theorem test tomorrow and now leading these😭😭

[kevongajadhar]

Sir I could make use of my 3 in maths😁
*Angles at the center of the circle is twice the angle at the circumference.

* Angles in a cyclic quadraterial equal to 180 Deg.
Etc.... remembering my math days it all paid off thanks sir.