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I have a 30-inch circle (inside diameter).

If I had a equalateral triangle inside it, what would the length of the triangle sides be?

The triangle sides do not have a thickness.

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  • 1
    I think you're lost.
    – KMJ
    Commented Aug 24, 2023 at 23:03
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    It has been 45 or more years since I had do this math homework. Unless you can show it as something to do with home DIY(homework does not count) VTC.
    – crip659
    Commented Aug 24, 2023 at 23:07
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    I’m voting to close this question because it looks like homework.
    – crip659
    Commented Aug 24, 2023 at 23:07
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    @crip659 It may be a question that should be closed. But it is not homework. It is related to this question about a 30" steel circle Commented Aug 24, 2023 at 23:10
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    not home improvement .................
    – Traveler
    Commented Aug 24, 2023 at 23:42

1 Answer 1

2

LMGTFY:

According to this site the answer is square-root of 3 x radius = ~ 26 inches.

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    Diameter was given, you appear to have used it as radius, rather than using half of it as radius. 25.980762113533159 - A straight line longer than the circle cannot possibly be inscribed in it.
    – Ecnerwal
    Commented Aug 24, 2023 at 23:37
  • Oops. That's what happens when I answer on my phone Commented Aug 24, 2023 at 23:41

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