Chord - TS

The radius of circle k measures 68 cm. Arc GH = 47 cm. What is TS?

Correct result:

|TS| =  4.02 cm

Solution:

α=4768⋅180/π=39.601∘ α/2=19.8005∘ ∣TS∣=r−rcos⁡α/2 ∣TS∣=68−68cos⁡19.8005∘ ∣TS∣=4.02 cm

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