Properties Of Circles

🦉 Properties Of Circles

1. Tangent $\perp$ radius

2. Right $\angle$ in semicircle

3. $\angle$s in same segment

4. $\angle$ at centre = 2 $\angle$ at circumference

5. $\angle$s in opposite segment ($a+c=b+d=180^\circ$)

6. Tangent from external point