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How do you calculate the length of an arc of a circle?
The length of the arc is equal to the radius times the angle (angle in radians). If the angle is in any other measure, convert to radians first. (radians = degrees * pi / 180)
How do you measure angles in radians?
well you don't get many preotractors in radians so just measure the angle in degrees. To convert this to radians you then have to divide by 180 then times by pi. This is because 180 degrees= pi radians.
What is the radian measure of a 315 angle?
As 180° = a straight angle = π radians → to convert degrees to radians divide by 180° and multiply by π radians → 315° = 315° ÷ 180° × π radians = 7π/4 radians ≈ 5.50 radians.
How do you find the arc length formed by a central angle x?
The arc length is equal to the angle times the radius. This assumes the angle is expressed in radians; if it isn't, convert it to radians first, or incorporate the conversion (usually from degrees to radians) in to your formula.
Convert -320 degrees to radians?
-5.58505361 radians.
