Puzzles
Four points on a shape
Source: UKMT Senior Maths Challenge 2014
Fiona wants to draw a 2-dimensional shape whose perimeter passes through the points A, B, C and D
Which of the following shapes can she draw?
(i) A circle
(ii) An equilateral triangle
(iii) A square
If you enjoyed this puzzle, check out Sunday Afternoon Maths XXXIV,
puzzles about geometry, or a random puzzle.
puzzles about geometry, or a random puzzle.