Question

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Answer 1

wait up

Answer 2

So.. radius is 18..

so, Area of circle:
A = πr²
A = π(18)²
A = 324π
A = 1017.88cm² approximately :)

Answer 3

For inscribed circle, Radius = \[9\sqrt{3}\]
For excribed circle, Radius = 18

Answer 4

oh, really? thanks:)

Answer 5

you are close, but you found the radius to the circle that goes around the hexagon (the circumcircle). It always helps to sketch the problem to help catch these mistakes.