In quadrilateral ABCD, E and F are midpoints of the sides they lie on. Which colour covers the greater area, the red or the green?
(From 7.1 in Charming Proofs, by Alsina and Nelsen, 2010)
An Area Puzzle: Which is the Greater Area, the Red or the Green?
In quadrilateral ABCD, E and F are midpoints of the sides they lie on. Which colour covers the greater area, the red or the green?
(From 7.1 in Charming Proofs, by Alsina and Nelsen, 2010)