Solve Precalculus Problem: Perimeter & Area of a Pentagon

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Homework Help Overview

The original poster is seeking assistance with a precalculus problem involving the perimeter and area of a regular pentagon inscribed in a circle with a radius of 9.

Discussion Character

  • Exploratory, Conceptual clarification, Problem interpretation

Approaches and Questions Raised

  • Some participants suggest breaking the pentagon into simpler shapes, like triangles, to facilitate calculations. Others inquire about the angles formed by lines drawn from the center of the circle to the vertices of the pentagon.

Discussion Status

The discussion includes various approaches to understanding the problem, with some participants providing guidance on how to simplify the pentagon's geometry. The original poster indicates progress in their understanding, suggesting that the conversation has been productive.

Contextual Notes

There may be assumptions regarding the properties of regular polygons and their relationship to circles that are being explored in the discussion.

pasatom20
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HI guys, I'm really confusing about this Q., and I hope you guys can give me some help. :smile:

- Find the perimeter and the area of a regular pentagon inscribed in circle of radius 9.
 
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Break the inscribed pentagon into something simpler, such as triangles.
 
Draw lines from the center of the circle to the vertices of the pentagon. What is the angle between these lines?
 
I just figured out how to work on the problem. thanks everyone for helping me.
 

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