Across
- 1. A four-sided shape with equal length sides, but no right angles; sometimes called a diamond.
- 6. Has four equal sides and four right angles, each corner meets at 90 degrees.
- 8. Has three sides and three angles, can be classified as equilateral, isosceles, or scalene.
- 9. Round and without any corners, every point on its edge is the same distance from the center.
- 12. Similar to a square but with two pairs of equal sides, it also has four right angles.
- 13. With six sides and six angles, it can also be regular or irregular based on the equality of sides and angles.
- 14. Has four sides with one pair of parallel sides, can be isosceles or scalene.
- 15. Comprised of eight sides and eight angles, often seen in traffic stop signs.
Down
- 2. Resembles the shape of a human heart, with two curves at the top and a point at the bottom.
- 3. Has multiple points extending out from its center, often seen in a five-pointed version.
- 4. A winding curve that starts from a central point and expands out while circling around it.
- 5. Its opposite sides are parallel and equal in length, creating two pairs of congruent angles.
- 7. Like a squashed circle, it has a long and a short axis, with every point on its edge having a special property.
- 10. A curve that looks like a thin, waxing or waning moon shape, either bulging inward or outward.
- 11. Has five sides and five angles, can be regular or irregular depending on the side lengths and angles.