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Draw rough diagrams of two angles such that they have:$( a)$ One point in common.$( b)$ Two points in common.$( c)$ Three points in common.$( d)$ Four points in common.$( e)$ One ray in common.
Solution:
$( a).\ \angle AOB$ & $\angle POQ$ have one point in common. The common point is $O$.
$( b).\ \angle POB$ & $\angle AOB$ have $2$ common points . The common points are $B$ & $O$.
$( c).\ \angle POB$ & $\angle AOB$ have $3$ common points . The common points are $B,\ C$ & $O$.
$( d).\ \angle POB$ & $\angle AOB$ have $4$ common points . The common points are $B,\ C,\ D$ & $O$.
$( e).\ \angle AOB$ & $\angle BOC$ have Common ray $OB$.
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