Circle Geometry Flashcards
1
Q
How to work out an angle if not given a centre
A
1.)
2
Q
How to prove for a quadrilateral
A
1.)
3
Q
How to work out the angle if you are given a tangent
A
- ) Radius is perp. to tangent
- ) tan-chord
- ) tangents from the same point are equal
4
Q
Tan-chord proof
A
Draw diameter
Connect diameter with
5
Q
Opp
A
Draw radii from cent and use
6
Q
Radius bisects chord proof
A
Connect chord to cent using 2 radii
Prove with congruency
7
Q
Angle at cent = 2x
A
Draw line from tip
8
Q
How to work out angles if you are given a centre
A
- ) Perp. from cent. to chord
2. )
