perplexus.info :: Just Math : Concentric Circles and Equilateral Triangle

Concentric Circles and Equilateral Triangle (Posted on 2018-12-15)

Three concentric circles each have radii 8, 15 and 17.

Find the largest possible area of the equilateral triangle with one vertex on each circle.

No Solution Yet Submitted by Danish Ahmed Khan

Rating: 5.0000 (1 votes)

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GSP Approximation

| Comment 1 of 2

Geometer's Sketchpad shows the area as being between 215.12 and 215.16. Closer check shows indeed close to 215.14

Posted by Charlie on 2018-12-15 15:51:06

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