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How to Calculate an Arc's Radius

At least two values must be known in order to calculate the radius of an arc. The chord is the distance from one endpoint of the arc to the other. The arc height is the distance from the chord's midpoint to the highest point on the arc. Once these are...
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Difficulty:
Moderate

Source:
www.ehow.com

en.wikipedia.org/wiki/Arc_(geometry)

edit]. Using the intersecting chords theorem (also known as power of a point or
secant tangent theorem) it is possible to **calculate the** ...

www.mathopenref.com/arcradius.html

For example, enter the width and height, then press "

www.handymath.com/cgi-bin/rad2.cgi?submit=Entry

Calculates the

www.handymath.com/cgi-bin/arc18.cgi?submit=Entry

This

www.had2know.com/academics/arc-radius-angle-formula-calculator.html

One of the most commonly encountered geometric problems involving

www.ajdesigner.com/phpcircle/circle_arc_length_r.php

Geometry

www.radiustrack.com/curved-right-custom-framing/radius-calculator

Purpose: To

www.1728.org/radians.htm

central angle

planetcalc.com/1421/

Can

Popular Q&A

Q:
How to Calculate a Circle's Radius From Arc Segments.

A:
1. Divide the height of the arc segment by two. For example, if the arc segment height equals six, divide six by two to get three. 2. Square the length of the c...
Read More »

Source:
www.ehow.com

Q:
How to Calculate an Arc's Radius .

A:
1. Measure the chord of the arc . That number will be referred to as "a. 2. Use the ruler to find and mark the midpoint of the chord. Turn the ruler so that it i...
Read More »

Source:
www.ehow.com

Q:
How can i calculate the radius of a sector given just it's arc le...

A:
the two ends of the arc have to be the same distance apart, so that is half of the 25 meters. that's 12.5 meters. as you have the length of half of your circle ...
Read More »

Source:
answers.yahoo.com

Q:
How do i calculate the radius of a circle using arc length and an...

A:
The equation would be. Θ/360=s/2*π*r (if you use degrees) OR. Θ/2*π =s/2*π*r (if you use radians) Θ=the measure of the angle. s=arc length. in each case, solve ...
Read More »

Source:
answers.yahoo.com

Q:
How can I calculate cord length using arc length and radius .

A:
r = known radius x = known arc length - C (circumference of circle) = 2 * PI * r A (angle of chord in degrees) = x / C * 360 L (length of chord) = r * sin(A/2) ...
Read More »

Source:
www.answers.com