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Radius on a guitar usually refers to the slight curvature of the surface of some fretboards, the arc of which is part of an imaginary circle. The radius of that circle is 12 to 17 inches for most steel-string acoustic Guitars, smaller and hence more curved for some electrics. The only practical way to measure it is with a special gauge. If you had a diagram of it, you could calculate it with Pythagoreus' theorem. A straight line connecting the two sides of the fingerboard is the hypotenuse of a right triangle with two equal legs that are also radii.

Q: How do you calculate a the radius of a guitar?

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Of a circle: divide the length of the circumference by the value of Pi (about 3.14159). The answer is the diameter. Half of the diameter is the radius

You don't. You can calculate iits radius and cross-sectional area but its diameter has insufficient information to calculate its length

50.24... the formula to calculate the area of a circle - is Pi x radius x radius Therefore 3.14 x 4 x 4 = 50.24

Circumference of a circle = 2*pi*radius or pi*diameter. 2*pi*2.250 = 14.13716694 metres.

radius

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calculate radius of crane: The radius is always measured from the centre of rotation and is the radius measured after the boom deflects forward when under load.

From what? You need other variables you can use in the standard circle formulae from which to calculate the radius.

The radius of a circle is half of its diameter.

diameter = 2 * radius

int radius = 2; int output; radius = radius * 2; output = radius * Math.PI; Console.WriteLine(output);

there is no constant that will calculate this, since circumference is calculated with only radius and area with radius squared. you will have to calculate the radius using the initial circumference and then the radius again for the new circumference (with the 50 added). then calculate an area for each radius..then you can see the increase.

Radius of a circle = diameter/2

Radius of a circle = diameter/2

4cm

The radius is 3.45