| Answer | Crossword Clue |
|---|---|
| diamond | figure having four equal sides and two acute and two obtuse angles |
| diamonds | A figure with four straight sides of equal length forming two opposite acute angles and two opposite obtuse angles; a rhombus |
| rhombuses | A parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides |
| hypercube | a figure in a space of four or more dimensions having all its sides equal and all its angles right angles |
| hypercubes | HYPERCUBE, a figure in a space of four or more dimensions having all its sides equal and all its angles right angles |
| squarest | having four equal sides and four right angles |
