107. 11225-!-item-!-187;#058&007613
In the figure above, equilateral triangle ABC is inscribed in the circle. If the length of arc ABC is 24, what is the approximate diameter of the circle?
(A) 5
(B) 8
(C) 11
(D) 15
(E) 19
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一个圆,里面一个内接正三角型
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