Question 755754
A chord of a circle is 32 meters long and it is 30 meters from the center of the circle. find the diameter of the circle
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(r+30)*(2r-30) = 256
{{{r^2 + 15r - 578 = 0}}}
*[invoke solve_quadratic_equation 1,15,-578]
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r = 17.6843
d = 35.3686 meters