perplexus.info :: Shapes : The Triangle

The Triangle (Posted on 2002-06-03)

An equilateral triangle with one side 6cm is inscribed in a circle with its three vertices on the circumference. What is the diameter of the circle?

See The Solution Submitted by Dulanjana

Rating: 2.6923 (13 votes)

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Straight Math

| Comment 1 of 20

The altitude of the tiangle is 3*(SQRT[3]) cm. It is also ž the diameter of the circle, so the diameter is 4*(SQRT[3]) = 6.928 cm

Posted by TomM on 2002-06-03 16:01:39

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