Inactive Tutor answered • 05/23/22
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New to Wyzant
Kimkeesha M.
asked • 05/22/22Determine the !ength of a chord whose central angle is 80o in a circle with a radius of 4 centimeters.
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Inactive Tutor answered • 05/22/22
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New to Wyzant
general formula for length of chord = 2rsin(c/2) where c = the angle, r= radius
plug in r =4, c = 80
chord = 2(4)sin40 = about 5.1423 centimeters for angle of 80 degrees and radius = 4 cm
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