Geometryhard · Past Paper
If a chord of length 16 cm is 6 cm away from the center, what is the length of a chord 8 cm away from the center?
A10 cm
B12 cm
C6 cm
D14 cm
✓ Correct Answer: B — 12 cm
Radius = sqrt(8^2 + 6^2) = 10. New half-chord = sqrt(10^2 - 8^2) = 6. Chord length = 2 * 6 = 12 cm.
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