Question

A 75${}^{\circ }$ angle can be made by drawing the ___ of the angle between a ${90}^{\circ }$ angle and a ${60}^{\circ }$ angle.

Answer 1

${75}^{\circ }=\frac{{90}^{\circ }+{60}^{\circ }}{2}$
Hence bisecting 90${}^{\circ }$ and 60${}^{\circ }$ will give 75${}^{\circ }$.