Geometry Vocabulary

4. A four-sided shape where all four sides are equal in length.
7. A four-sided shape with exactly one pair of parallel sides
8. A transformation that changes a shape's size by stretching or shrinking it.
9. The total distance around the outside edge of a circle.
14. A single line that cuts across two or more other lines.
15. The tallest vertical height of a shape from its base to its peak.
16. The straight distance across a circle passing directly through its center.
19. The distance from the center of a circle to its outer edge.
20. An angle measuring less than 90 degrees.

1. Shapes that have the exact same size and same shape.
2. A transformation that turns a shape around a fixed center point.
3. A solid 3D shape with two matching circular ends and one curved side.
5. A triangle where all three sides have completely different lengths.
6. An angle measuring between 90 and 180 degrees.
10. A transformation that flips a shape over a line to create a mirror image.
11. Lines that never cross and stay the same distance apart.
12. A transformation that slides a shape to a new position without turning it.
13. A four-sided shape with four equal sides and four right angles.
17. A four-sided shape with four 90-degree right angles.
18. Any action that moves, turns, flips, or changes a shape's size.