Calculating Radius of Circle from String Length

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SUMMARY

The discussion centers on calculating the radius of a circle based on a string length of 1.2 meters that is revolving around it. The key point is the clarification needed regarding the term "revolving string," which implies that the string is wound around the circle's circumference. To find the radius, one can use the formula for the circumference of a circle, C = 2πr, where C is the length of the string. Thus, the radius can be calculated as r = C / (2π), resulting in a radius of approximately 0.191 meters.

PREREQUISITES
  • Understanding of basic geometry concepts, specifically circles.
  • Familiarity with the formula for the circumference of a circle, C = 2πr.
  • Knowledge of mathematical constants, particularly π (pi).
  • Ability to perform basic algebraic manipulations.
NEXT STEPS
  • Research the properties of circles and their geometric formulas.
  • Learn about the significance of π (pi) in various mathematical contexts.
  • Explore practical applications of circumference calculations in real-world scenarios.
  • Study advanced geometric concepts related to circular motion and revolving objects.
USEFUL FOR

Students studying geometry, educators teaching mathematical concepts, and anyone interested in understanding the relationship between string length and circular dimensions.

lha08
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Homework Statement


How can i calculate the radius of a circle given the length of string 1.2 meters that is revolving?

Homework Equations





The Attempt at a Solution

 
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You need to be more clear. What do you mean "length of string 1.2 meters that is revolving"? Do you mean that the string is wound around the circle?
 
lha08 said:

Homework Statement


How can i calculate the radius of a circle given the length of string 1.2 meters that is revolving?

Homework Equations





The Attempt at a Solution

What does the "revolving string" have to do with the circle?
 

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