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how to calculate major arc length. The length of an arc formed by 60 of a circle of radius r is 837 cm. Calculate the perimeter of a semicircle of radius.
Arc Of A Circle Solutions Examples Worksheets Videos from www.onlinemathlearning.com
The length of arc is equal to radius multiplied by the central angle in radians. How to Find the Arc Length An arc length is just a fraction of the circumference of the entire circle. You need to know the measurement of the central angle that created the arc the angle of the two radii to calculate arc length.
Therefore the measure of 85.
We know that for the angle equal to 360 degrees 2p the arc length is equal to circumference. As circumference C 2pr L th 2pr 2p L th r. Do you want to solve for. Plug the measurement of the arcs central angle into the formula.
