Two parallel lines ťouch the cicle at point a and b respectively if area of circle 36cm2 find length of ab
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clearly the two lines are tangent to the circle....
AB would be the diameter of the circle.....
area=36cm^2
(pi) r^2=36
22/7×r^2=36
r^2=36×7/22
r^2=126/11
r=(root) 126/11= 3.38
ab=2r=2×3.38=6.76
AB would be the diameter of the circle.....
area=36cm^2
(pi) r^2=36
22/7×r^2=36
r^2=36×7/22
r^2=126/11
r=(root) 126/11= 3.38
ab=2r=2×3.38=6.76
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