Regular heptagon, finding value of unknowns

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Homework Help Overview

The discussion revolves around finding unknown angles in a regular heptagon, utilizing the formula for the sum of interior angles of polygons.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants explore the calculation of interior angles and question how to apply the derived angle of 128.57 degrees to find other unknowns. There is a focus on analyzing specific triangles within the heptagon.

Discussion Status

Participants are actively engaging with the problem, asking clarifying questions about the relationships between angles and how to proceed with the information they have. There is no explicit consensus yet, but guidance is being offered regarding focusing on specific components of the heptagon.

Contextual Notes

There is an emphasis on understanding the angles within the heptagon, and some participants are questioning the known values and how they relate to the unknowns.

Frank212
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Homework Statement


bandicam 2016-08-14 13-44-31-309.jpg


Homework Equations


(n-2)*180[/B]

The Attempt at a Solution


11.a: 7-2=5, 5*180= 900. 900/7= 128.57 degrees
b. How do you find the unknowns?[/B]
 

Attachments

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Frank212 said:
How do you find the unknowns
It may help to concentrate on one small piece. Look at the triangle at the top.
 
haruspex said:
It may help to concentrate on one small piece. Look at the triangle at the top.
How do I use 128.57 degrees to help me find the unknowns?
 
Frank212 said:
How do I use 128.57 degrees to help me find the unknowns?
Do you know any of the angles in the top triangle?
 

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