Unformatted text preview: m∠DEF 4. ∠CFD
A Aug 307:28 AM Aug 307:28 AM Angle Addition Postulate
D A R Find m∠ ABC m∠RSP + m∠PST = m∠RST
S 45 60 P C B
T Aug 307:28 AM Aug 307:28 AM 2 1.4 Angle Measures guided notes.notebook August 27, 2013 Example
P Q Find the m∠CAB Find m∠ PQR 20 S D D 160 R Find the m∠CAD 38° 60° C B 165° C 80° A A B Aug 307:28 AM Aug 307:28 AM Example Notes
• Angle bisector – a ray that divides an angle into .
D C CD is the angle bisector of ∠ACB The ray FH bisects the ∠EFG. Given that m∠EFG = 120, what are the measures of ∠EFH and ∠HFG
H E F G B Aug 307:28 AM RQ b...
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