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Math Help - rectangle inscribed in a circle

  1. #1
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    rectangle inscribed in a circle

    The area of the largest rectangle inscribed in a circle of radius 5 cm is
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  2. #2
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    Hello sri340
    Quote Originally Posted by sri340 View Post
    The area of the largest rectangle inscribed in a circle of radius 5 cm is
    ... when it's a square. And the area is 4\times\tfrac12\times5\times5=50 \text{ cm}^2.

    Grandad
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