Some angles are given below. Using the symbol of congruence write the names of the pairs of congruent angles in these figures.

Draw a line segment of the length given below and draw the perpendicular bisector. 

$5.3 \mathrm{cm}$

Draw a line segment of the length given below and draw the perpendicular bisector. 

$6.7 \mathrm{cm}$

Draw a line segment of the length given below and draw the perpendicular bisector. 

$3.8 \mathrm{cm}$

Draw an angle of measure $105°$ and draw its bisector.

Draw an angle of measure$55°$ and draw its bisector.

Draw an angle of measure $90°$ and draw its bisector.