Geometrymedium · Past Paper
If a chord is 16 cm long and the radius of the circle is 10 cm, how far is the chord from the center?
A4 cm
B6 cm
C8 cm
D12 cm
✓ Correct Answer: B — 6 cm
Half the chord is 8 cm. Distance^2 = 10^2 - 8^2 = 100 - 64 = 36. Distance = 6 cm.
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