The length of a chord of circle of radius 10 cm is 12 cm. Determine the distance of the chord from the centre
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Using the Pythagorean theorem:
r² = d² + (chord/2)².
Substitute r = 10 cm, chord/2 = 6 cm:
10² = d² + 6² → 100 = d² + 36 → d² = 64 → d = 8 cm.
This question related to Chapter 9 Mathematics Class 9th NCERT. From the Chapter 9 Circles. Probability. Give answer according to your understanding.
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