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Re: Homework help?!
Another much simpler way is to form a 30-60-90 triangle BDA which allows you to find DA by dividing the segment BD by 2, and then times that by root 3 to find the length BA, which is the diameter.
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"The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane."
Nikola Tesla (1857 - 1943)
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