Angle Bisectors

K. Perna

Complete the statements and answer the questions below for the angle bisector image above.

1) Name the ray that bisects angle EAF. 2) Angle EAD is congruent to angle ________. 3) Classify angles DEA and DFA. 4) When you move point D, what happens to the length of line segment ED? What happens to line segment FD? 5) When you move point B or C, what happens to the measurement of angle EAD? What happens to the measurement of angle FAD? 6) When you move point A, will angles DEA and DFA always stay right angles? Will ray AD always be an angle bisector?