help, tutoring this girl and forgt text book
name the definition, property or theorem that justifies each statement.
1.if d is the midpoint of line ac then ad=1/2 ac
2.if angle abc is a right angle line ab is perpendicular to line bc
3.line bc is congruent to line bc
4.if ray bd is the bisector of angle abc, m angle CBD=1/2 m angle abc
5.if m

Question

help, tutoring this girl and forgt text book
name the definition, property or theorem that justifies each statement.
1.if d is the midpoint of line ac then ad=1/2 ac
2.if angle abc is a right angle line ab is perpendicular to line bc
3.line bc is congruent to line bc
4.if ray bd is the bisector of angle abc, m angle CBD=1/2 m angle abc
5.if m<1+m<2=90 then <1 and <2 are complementary angles

anonymous · Answer

she went back to her school to see if she could grab textbook