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URGENT MATH ASSISTANCE?

URGENT MATH ASSISTANCE?-example-1
User Klara
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The radius of the circle is
r=9.06\;cm and the length of the chord is
L=12.7\;cm. The angle subtended by the chord CD at the center of the circle is


\theta =2\sin ^(-1)((12.7/2)/(9.06) )=1.553 \;rad.

Therefore, the measure of arc CD is


arc(CD)=r\theta=9.06*1.553=14.1 \;cm

User Zwep
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