Puzzles
Ellipses
Source: Maths Medicine
A piece of string 10cm long is tied to two pins 6cm apart. The string is used to draw an ellipse. The pins are then moved 2cm further apart and a second ellipse is drawn. Which ellipse has the larger area?
If you enjoyed this puzzle, check out Sunday Afternoon Maths VI,
puzzles about 2d shapes, or a random puzzle.
puzzles about 2d shapes, or a random puzzle.