the curve length L is equal to 100 * delta angle/2
but if you only know the deflection angle then use R = 5729.58/ Deflection angle (in degrees) and once you have you find a way around it lol
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length of arc/length of circumference = angle at centre/360 Rearranging the equation gives: length of arc = (angle at centre*length of circumference)/360
If the central angle is 70 and the radius is 8cm, how do you find out the chord lenght?
The total circumference is (arc length) times (360) divided by (the angle degrees)
a right angle or any other angle does not have a length. your question cannot be answered.
The answer depends on what information you do have: radius, arc length, central angle etc.