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Puzzle of the Week #320 - Triangle and Rectangle

June 18, 2021 Elliott Line

A rectangle ABCD has width 64 and height 80. A right-angled triangle AEF is drawn as shown. What is the minimum that DF could be?

rectangle triangle.jpg
← Puzzle of the Week #321 - Missing DigitsPuzzle of the Week #319 - Power Sum Palaver →
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