Question

GIVEN: m<1= m<2
and points D,F and E are colinear
PROVE: AB and ED

STATEMENTS REASONS
M<1=M<2 GIVEN
<1 and <2 form a linear pair
<1 is supplementary to <2
m<1+m<2=180
M<1+m<1=180
2(m<1)=180 definition of like terms
m<1=180
<1 is a right angle
ab & ed definition of perpendicular lines