Calculate 65014

The radius of the circle is 5.5 cm. The height is 2.3 cm, which is the chord's distance. How can we calculate the length of the string?

Correct answer:

x =  9.99 cm

Step-by-step explanation:

s=2.3 cm r=5.5 cm  r2=s2+(x/2)2  x=2 r2s2=2 5.522.32=9.99 cm

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