find the surface area of a regular polygon circumscribed around a triangular prism in go

main.go
package main

import (
	"fmt"
	"math"
)

func main() {
	// Define the values for the polygon and prism
	numSides := 6                                // number of sides in the regular polygon
	sideLength := 3.0                            // length of one side of the polygon
	height := 5.0                                // height of the triangular prism
	apothem := sideLength / (2 * math.Tan(math.Pi/float64(numSides))) // apothem of the polygon (distance from center to side)

	// Calculate the area of the polygon
	polygonArea := 0.5 * float64(numSides) * apothem * sideLength

	// Calculate the area of the rectangular sides of the prism
	rectangleArea := numSides * sideLength * height

	// Calculate the total surface area
	totalArea := polygonArea + rectangleArea

	// Print the result
	fmt.Printf("Surface Area: %.2f\n", totalArea)
}
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