9.7. Angles On and Inside a Circle http://www.ck12.org
m^6 SV R=1
2
(
m̂SR+mT Q̂)
=
mSR̂+mT Q̂
2
=m^6 T V Qm^6 SV T=1
2
(
mST̂+mRQ̂)
=
mST̂+mRQ̂
2=m^6 RV QExample A
FindmAEB̂
Use the Chord/Tangent Angle Theorem.
mAEB̂= 2 ·m^6 DAB= 2 · 133 ◦= 266 ◦
Example B
Findm^6 BAD.
Use the Chord/Tangent Angle Theorem.
m^6 BAD=^12 mAB̂=^12 · 124 ◦= 62 ◦