The area of a circle inscribed in a regular hexagon is 60.75 pi sq. find the perimeter of the hexagon.
September 19, 2021 | education
| The radius of a circle inscribed in a regular hexagon is determined by the formula:
r = a * √3 / 2, where a is the side of the hexagon.
Area of a circle inscribed in a regular hexagon:
S = n * r ^ 2 = n * a ^ 2 * 3/4.
By condition, the area of this circle is 60.75p, therefore:
n * a ^ 2 * 3/4 = 60.75 * n;
a ^ 2 = 60.75 * 4/3 = 81;
a = √81 = 9 is the side of this hexagon.
The desired perimeter of a regular hexagon:
P = 6 * a = 6 * 9 = 54.
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