Tangent

What distance is the tangent t of the circle (S, 4 cm) and the chord of this circle, which is 6 cm long and parallel to the tangent t?

Correct result:

x =  1.3542 cm

Solution:

r=4 cm t=6 cm t2=t/2=6/2=3 cm y=r2−t22=42−32=7 cm≐2.6458 cm x=r−y=4−2.6458=1.3542 cm

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