Answer:
Step-by-step explanation:
Refer to your previous question:
Radius of the inscribed circle is the apothem of the hexagon.
Apothem (a) and half of the side (s) make a 30-60-90 right triangle.
The ratio of the legs, as per property of 30-60-90 triangle:
Half the side is s = 10 units, then side of the hexagon is 20 units.
The area of the hexagon:
Correct choice is D