Take a regular hexagon Fig 3.10.

Q3. What is the measure of each?

    (i) exterior angle

Answers (1)

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\degree60\degree

 

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