How to calculate length of arc?

  • Context: High School 
  • Thread starter Thread starter BrandonDouglas
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    Arc Length
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Discussion Overview

The discussion revolves around calculating the length of arcs for a design project in a Product Design course. Participants explore methods for determining arc lengths, including potential features in SolidWorks CAD software.

Discussion Character

  • Homework-related
  • Technical explanation

Main Points Raised

  • Brandon seeks assistance in calculating the lengths of three arcs in his speaker system design, providing specific measurements for context.
  • One participant suggests that knowing the radius of a circular arc and the length of a chord could allow for the construction of a right triangle to find the arc length.
  • Another participant questions whether SolidWorks CAD has a function to directly measure the length of selected arcs, providing links to resources that may confirm this capability.
  • Brandon expresses gratitude for the suggestions and indicates that he believes the issue is resolved with the information provided.

Areas of Agreement / Disagreement

Participants do not explicitly agree or disagree on a single method for calculating arc lengths, but there is a consensus that SolidWorks may have features to assist in this task.

Contextual Notes

The discussion does not clarify the specific mathematical methods for calculating arc lengths or the assumptions behind the proposed triangle construction method.

Who May Find This Useful

Students or individuals working on design projects that involve calculating arc lengths, particularly those using SolidWorks CAD software.

BrandonDouglas
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How to calculate length of arc? Please Help!

First of all, Hi, I'm Brandon! :) 18 Years old currently doing A Levels - Uni End of this year!

(Not Homework - Coursework!)
So I have this design of a speaker system for my Product Design course in A-Level.
There are 3 arcs in my design that I need to know the length of for when my school orders the materials to my specific measurements.

Here is a picture with measurements of my design from SolidWorks CAD Software.
8389459712_4ef0cbe42c.jpg


The arc at the top is 100mm high and the side arcs would be 50mm
All measurements in mm. I hope this is enough info for you to help me!
 
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So you know the radius of a circular arc and you know the length of a chord of that arc.

Can you draw a right triangle anywhere?
 


Thank you Jed! - I thought it must have a feature to do so! - hence why I added that I had used it.

Thank you very much guys, sorted!
 

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