The angles formed by the angle bisector BF are ∠FBA and ∠FBC.
The step in which the mistake was made is<u> step 3; Then, she placed the compass on point C and drew an arc on the interior of ∠ABC which intersects the previous arc</u>.
Reasons:
The steps to draw an angle bisector are;
Place the compass at the vertex of the angle and draw an arc intersecting the the two rays forming the angle at points <em>D</em> and <em>E</em>
Place the compass at point <em>D</em> and draw an interior arc to the given angle
Place the compass at point <em>E</em> and draw a second interior arc intersecting the previous arc
The point of intersection of the two arcs can be labelled <em>F</em> and joined to the vertex of the given angle to complete the angle bisection
Therefore, the step in which the mistake was made is; Step 3 where the compass is placed at point <em>C</em> rather than point <em>E </em>to draw the second arc of the angle bisector
Learn more about an angle bisector here:
brainly.com/question/10130247
