1. April 1, 2009
A
B
Name all sets of
congruent angles:
C
D
E

3. Other Angle Relationships
mADB = 200o
A
How is this different
than an inscribed angle?
chord & tangent D
instead of 2 chords
How is this similar to
an inscribed angle?
B
vertex is on
circle
C
The intercepted arc and angle have the same
relationship as inscribed angles.

4. B
Find mBCA
C
101o
A
H
Find mFH
129o F
G

5. Other Angle Relationships
What is different about
this angle?
vertex is outside
A
of the circle
1
CAE = (mCE ­ mBD)
2
A

6. 108o
34o xo
243o
o
y
1 (243o­117o)
y = 2

7. HW: pg. 683 #3­14
Quiz on Friday (10.2 ­ 10.4)