Question 1069289
Find the length of the chord of the circle with equation x^2+y^2-14y=51 which is at the distance of 6 units from the centre.
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find the radius of the circle.
x^2+y^2-14y=51
x^2+y^2-14y + 49 = 100
r = 10
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(C/2)^2 = (10-6)*(10+6) = 64
C = 16