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The Inner Radius of Circular Ring is the radius of its cavity and the smaller radius among two concentric circles. Check FAQs
rInner=P2π-rOuter
rInner - Inner Radius of Circular Ring?P - Perimeter of Circular Ring?rOuter - Outer Radius of Circular Ring?π - Archimedes' constant?

Inner Radius of Circular Ring given Outer Radius and Perimeter Example

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Here is how the Inner Radius of Circular Ring given Outer Radius and Perimeter equation looks like with Values.

Here is how the Inner Radius of Circular Ring given Outer Radius and Perimeter equation looks like with Units.

Here is how the Inner Radius of Circular Ring given Outer Radius and Perimeter equation looks like.

5.9155Edit=100Edit23.1416-10Edit
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Inner Radius of Circular Ring given Outer Radius and Perimeter Solution

Follow our step by step solution on how to calculate Inner Radius of Circular Ring given Outer Radius and Perimeter?

FIRST Step Consider the formula
rInner=P2π-rOuter
Next Step Substitute values of Variables
rInner=100m2π-10m
Next Step Substitute values of Constants
rInner=100m23.1416-10m
Next Step Prepare to Evaluate
rInner=10023.1416-10
Next Step Evaluate
rInner=5.91549430918953m
LAST Step Rounding Answer
rInner=5.9155m

Inner Radius of Circular Ring given Outer Radius and Perimeter Formula Elements

Variables
Constants
Inner Radius of Circular Ring
The Inner Radius of Circular Ring is the radius of its cavity and the smaller radius among two concentric circles.
Symbol: rInner
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Perimeter of Circular Ring
Perimeter of Circular Ring is the length of the ring around all the edges.
Symbol: P
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Outer Radius of Circular Ring
The Outer Radius of Circular Ring is the radius of a larger circle of the two concentric circles that form its boundary.
Symbol: rOuter
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288

Other Formulas to find Inner Radius of Circular Ring

​Go Inner Radius of Circular Ring given Area and Width
rInner=((Aπ)w)-w2
​Go Inner Radius of Circular Ring given Area and Perimeter
rInner=(P2π)-((Aπ)(P2π))2
​Go Inner Radius of Circular Ring given Longest Interval and Width
rInner=((ILongest24)w)-w2
​Go Inner Radius of Circular Ring given Longest Interval and Perimeter
rInner=(P2π)-((ILongest24)(P2π))2

How to Evaluate Inner Radius of Circular Ring given Outer Radius and Perimeter?

Inner Radius of Circular Ring given Outer Radius and Perimeter evaluator uses Inner Radius of Circular Ring = Perimeter of Circular Ring/(2*pi)-Outer Radius of Circular Ring to evaluate the Inner Radius of Circular Ring, The Inner Radius of Circular Ring given Outer Radius and Perimeter formula is defined as the radius of its cavity and the smaller radius among two concentric circles, and calculated using the outer radius and perimeter of Circular Ring. Inner Radius of Circular Ring is denoted by rInner symbol.

How to evaluate Inner Radius of Circular Ring given Outer Radius and Perimeter using this online evaluator? To use this online evaluator for Inner Radius of Circular Ring given Outer Radius and Perimeter, enter Perimeter of Circular Ring (P) & Outer Radius of Circular Ring (rOuter) and hit the calculate button.

FAQs on Inner Radius of Circular Ring given Outer Radius and Perimeter

What is the formula to find Inner Radius of Circular Ring given Outer Radius and Perimeter?
The formula of Inner Radius of Circular Ring given Outer Radius and Perimeter is expressed as Inner Radius of Circular Ring = Perimeter of Circular Ring/(2*pi)-Outer Radius of Circular Ring. Here is an example- 5.915494 = 100/(2*pi)-10.
How to calculate Inner Radius of Circular Ring given Outer Radius and Perimeter?
With Perimeter of Circular Ring (P) & Outer Radius of Circular Ring (rOuter) we can find Inner Radius of Circular Ring given Outer Radius and Perimeter using the formula - Inner Radius of Circular Ring = Perimeter of Circular Ring/(2*pi)-Outer Radius of Circular Ring. This formula also uses Archimedes' constant .
What are the other ways to Calculate Inner Radius of Circular Ring?
Here are the different ways to Calculate Inner Radius of Circular Ring-
  • Inner Radius of Circular Ring=((((Area of Circular Ring/pi))/Width of Circular Ring)-Width of Circular Ring)/2OpenImg
  • Inner Radius of Circular Ring=((Perimeter of Circular Ring/(2*pi))-(((Area of Circular Ring/pi))/((Perimeter of Circular Ring/(2*pi)))))/2OpenImg
  • Inner Radius of Circular Ring=((((Longest Interval of Circular Ring^2/4))/Width of Circular Ring)-Width of Circular Ring)/2OpenImg
Can the Inner Radius of Circular Ring given Outer Radius and Perimeter be negative?
No, the Inner Radius of Circular Ring given Outer Radius and Perimeter, measured in Length cannot be negative.
Which unit is used to measure Inner Radius of Circular Ring given Outer Radius and Perimeter?
Inner Radius of Circular Ring given Outer Radius and Perimeter is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Inner Radius of Circular Ring given Outer Radius and Perimeter can be measured.
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