Chord 3

The chord is 2/3 of the circle's radius from the center and has a length of 10 cm. How long is the circle radius?

Correct answer:

r =  6.71 cm

Step-by-step explanation:

r2=(10/2)2+(2/3r)2 r2(14/9)=52 r=14/95 r=6.71 cm

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