10-6 Secants, Tangents, and Angle Measures (are ALL related)
Nov 14, 2014
10-6 Secants, Tangents, and Angle Measures (are ALL
related)
Chord
A
B
“SECANT”
A
B
F
A
B
C
D
12
m 2 = ½(mAD + mBD)
ACD = ½(mABC)
AB
C D
Outside Angle
• An outside angle is always half of the positive difference between the two arcs.
A
Outside Angle• An outside angle is
always half of the positive difference between the two arcs.
L