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This is hard to explain without a diagram, but draw a circle with a chord through it. Now draw a line from the center of the circle to the center of the chord and you'll have a right angle. Draw the hypotenuse of this new right triangle, which just happens to be the radius. I took geometry last year, so I'm kind of stuck at this point, but I know you have to work with that right triangle.

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Q: How do you work out the radius of a circle from a chord?
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Related questions

If a radius of a circle intersects a chord then it bisects that chord?

If radius of a circle intersects a chord then it bisects the chord only if radius is perpendicular to the chord.


If a radius of a circle is perpendicular to a chord then?

Then the radius bisects the chord.


Is a radius a chord of a circle?

No, but the diameter of a circle is its largest chord


If a radius of a circle is perpendicular to a chord at what point does it intersect the chord?

The radius of the circle that is perpendicular to a chord intersects the chord at its midpoint, so it is said to bisect the chord.


In math how do you found the chord in a circle?

A chord is when two points in a circle are connected by segment. A diameter is a chord, but not a radius. The radius is not a complete segment in the circle


What is the relationship between the chord and the radius of circle?

The relationship between the chord and the radius of the circle is Length of the chord = 2r sin(c/2) where r = radius of the circle and c = angle subtended at the center by the chord


How is a chord different from the radius?

a chord is a line between two points on the circle the radius is a line from the center to the circle


If a radius of a circle is perpendicular to a chord then it that chord?

Bisects


If a radius of a circle bisects a chord then it is to that chord?

Perpendicular.


Is a radius is a chord of a circle?

No, a radius connects the center of a circle the a point on the outside, a chord connects to points on the outside of the circle. Thanks for asking on


A radius of a circle is perpendicular to a chord if and only if?

Bisects that chord


If a radius of a circle intersects a chord it is perpendicular to that chord?

False