Question

Find the measure of the missing angle

Answer 1

Given $\angle {60}^{\circ }$
We know that angle around a point
is ${360}^{\circ }$
$\therefore$ Angle point $O={360}^{\circ }$
$60+?={360}^{\circ }\therefore \text{missing angle}={360}^{\circ }-{60}^{\circ }={300}^{\circ }$