Angle bisector – a ray that divides and angle into two congruent angles

A

C

D

B

BD bisects ABC and m ABC = 110˚ Find m ABD and m DBC

A

C

D

B

110˚

BD bisects ABD and ABD = 46˚ Find m DBC and m ABC

A

C

D

B

46˚

DAB is bisected by __ m DAB = __ BCD is bisected by __ m BCD = __

A

D

C

B

45˚

27˚

RQ bisects PRS. Find x. m PRQ = m QRS

P

S

Q

R

(6x + 1)˚85˚

Pg. 64 #1-7