Saved Bookmarks
| 1. |
Let F_(1) be the set of parallelograms, F_(2) the set of rectangles, F_(3) the set of rhombuses, F_(4) the set of squares and F_(5) the set of trapeziums in a plane. Then, F_(1) may be equal to |
|
Answer» `F_(2) cap F_(3)` |
|