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Equable shapes. (English)
SYMmetryplus 2014, No. 55, 7-8 (2014).
The article works out the concrete measurements that some simple geometric shapes (squares, circles, rectangles, and right triangles) must have in order to be equable, i.e. the value of their area is equal to the value of their perimeter.
Reviewer: Peter Dürr (Linkenheim)
Classification: G30 G40 G70
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