If any polygon is inscribed in a circle, what can it's perimeter not exceed?

The perimeter of the inscribed polygon will be less than the circumference of the circle, while the perimeter of the circumscribed polygon will be greater. We can then form the ratio of each perimeter to the diameter. That will produce a lesser and a greater approximation to π.

Step-by-step explanation:

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

here is the

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