Geometry Theorems Flashcards
1
Q
Theorem 1a
A
Line from centre PERP to chord
2
Q
Theorem 1b
A
Line from centre to midpt. of chord
3
Q
Theorem 1c
A
Perp. bisector of chord
4
Q
Theorem 2
A
< at centre = 2 x < at circumference
5
Q
Theorem 3a
A
6
Q
Theorem 4a
A
7
Q
Theorem 5a
A
opp
8
Q
Theorem 5b
A
opp
9
Q
Theorem 6a
A
ext. < of cyclic quad
10
Q
Theorem 6b
A
ext. < equals int opp
11
Q
Theorem 7a
A
radius | tan
12
Q
Theorem 7b
A
Line | radius
13
Q
Theorem 9a
A
tan-chord theorem
14
Q
Theorem 9b
A
converse tan-chord thm.
15
Q
Theorem 8
A
tans from same pt.