distance of Chord ab from the centre of a circle is 8 cm length of the chord a b is 12 centimetre find the diameter of the circle
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Distance of chord AB from the centre of the circle = 8 cm.
Length of the chord AB = 12 cm.
Half the length of the chord AB = 12/2 = 6 cm.
Diameter of the circle = 2[8^2+6^2]^0.5 = 2[64+36]^0.5 = 20 cm.
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