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How do you find the length of the chord of a circle?

In: Math and Arithmetic, Geometry [Edit categories]

Answer:

There are a couple of different ways of finding the length of the chord of a circle. Probably the best is what is called the half angle formula.

First answer by Quirkyquantummechanic. Last edit by Quirkyquantummechanic. Contributor trust: 3691 [recommend contributor ]. Question popularity: 2 [recommend question].

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What is the length of a chord in a circle?
chords inside circles can be any length from the diameter to almost zero length.
How do you find the length of a circle when you have the circumference?
the circumference of a circle is equal to 2*pi*R, so just divide by pi(3.141)
How do you find the length of of the radius of a circle?
You can either measure it, or calculate it if you know the diameter (radius = diameter / 2), or the circumference (radius = circumference / (2pi)).
How to find the length of a half a circle?
The circumference of a circle of radius r cm is 2*pi*r cm so the length of the semi-circular arc is pi*r cm.The length of the diameter is 2*r cm so the total length is (pi + 2)*r cm
You know the length of a chord and the distance it is from the center of a circle. How do you find?
Let's step through this one and knock it down. Draw a circle and a chord. Now add a radius to the circle that bisects the chord. It will form right angles with that chord, right? Yes, it will. Now...