Mr John Rowe (@MrJohnRowe – site) is a South Australian Mathematics Educator, working for the Department of Education. He also makes puzzles.

One Truth, Two Lies

Two straight lines, AB and CD, are on the same plane. One, but only one, of the following statements is

Read more.Area #7

FInd the exact value for the purple area within the dodecagon. Note: Not for the faint-hearted.

Read more.Area #5

Find the exact perimeter of the purple pentagram inside the unit equilateral triangle.

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