Chord

In a circle with radius r=60 cm is chord 4× longer than its distance from the center. What is the length of the chord?

Correct result:

t =  107.3 cm

Solution:

r=60 t=4 x r2=x2+(t/2)2 r2=x2+(4 x/2)2 x=r/1+42/4=60/1+42/4=12 526.8328 t=4 x=4 26.8328=48 5=107.3 cm



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