How to Calculate the Radius Given the Diameter The diameter of a circle is equal to twice the length of the radius. So, you can use the following formula to calculate the radius when given the diameter: r = d/2 Thus, the radius of a circleris equal to the diameterddivided by 2. ...
How to Calculate the Radius of a Sphere?The distance from the center to any point on the circumference of a sphere is known as the radius. We know that the size of a sphere changes when the length of the radius varies. Now, let us see how to find the radius of a sphere when the...
The length arcsis equal to the radiusrtimes the central angleθin radians. Unit Circle Theunit circleis a circle with a radius equal to 1, centered on the origin (0, 0). It is used to calculate the cosine, sine, and tangent of any angle within the circle, although it is most commo...
Volume of Sphere This is the volume contained within a sphere with the specified radius. Primary Sidebar Tool Feedback Please provide feedback on using thisRadius to Volume of Sphere Calculator.
In a circle with a radius R, since the arc length of the 360° center angle is equal to the circumference length \(C=2πR\), the arc length of the n° center angle is \(l=( n°πR)/180°\) In the arc system, if the central angle of the arc is θ, then there is a for...
Step 1 –In the “ Enter information “ section of the circle area calculator, we will have to select “ radius “ as that is what we are required to find. Below is a snapshot of what the drop options would look like – Step 2 –Once we have selected the radius as the option, we...
If your pipe is only half full, the wetted perimeter will be equal to half of the total perimeter: P = πr What happens if the pipe is not exactly full or half full? In that case, the wetted perimeter is equal to the arc length, corresponding to the central angle θ, as shown in...
Circle formula calculator; Circle perimeter calculator; Circle length calculator; Circumference to diameter; Diameter of a circle calculator; Circumference and area of a circle calculator; Square footage of a circle calculator; and Square inches of a circle calculator. FAQs What is the radius of a ...
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Click on an equation to solve Circle Equations Where a = area r = radius c = circumference Parallelogram Equations Where a = length of side a b = length of side b h = height p = perimeter Rectangle Equations Where a = area l = length w = width p = perimeter Square Equations Where...