Question

the radius of a circle is 9mitere find the length of an arc of this circle wich Cutts of a chord of length equal to lenght of radius​

Answer 1

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Answer In The Attachment

Answer 2

ANSWER

OA=9cm=OB=OC

CB=9cm

Given,

chord CB=9cm

radii OC=OB=9cm

∠COB=60o (as triangle is an equilateral triangle)

so, length of arc CB=(360osectorangle)×2πr

=360o60o×2π×9

=618π=3πcm.