Question

find the area of a regular nonagon with each side of length 9 cm and the perpendicular from its centre to its side measuring 4 CM

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Answer 1

Step-by-step explanation:

Given that side of a hexagon = a=8 cm

We know that the area of the regular hexagon

=

2

3

3

a

2

=

2

3

3

×(8)

2

=

2

3

3

×64

=96

3

cm

2

∴ Area of regular hexagon = 96

3

cm

2