Question

Angle ABC = 90 Degree, draw the bisector

Answer 1

Angle ABC = 90 Degree, draw the bisector

An angle bisector divides the angle into two angles with equal measures. As $\mathrm{ABC} \angle ABC = \frac{\pi}{2} = 90{}^{\circ}$ , then it's bisector will divide $\angle ABC$ into two angles of measure $\frac{\pi}{4} = 45{}^{\circ}$ . Here is the illustration: