# Take a regular hexagon Fig 3.10.Q3. What is the measure of each?    (i) exterior angle

S seema garhwal

It is a hexagon with all sides equal.

All interior angles are also equal.

Sum of all angles of hexagon is $720\degree$.

$6a = 720\degree$

$a = 120\degree$

$a+r=a+x=a+y=a+z=a+p=a+q=180\degree$    (linear pairs)

$r=x=y=z=p=q=180\degree - a$

Each exterior angle = $r=x=y=z=p=q=180\degree - a$ = $180\degree-120\degree$$60\degree$

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