1. Plane Shapes Plane Shapes Two-Dimensional Shapes

2. Circle A circle has no sides. A circle has no angles. A circle has no vertices. A circle is a plane shape.

3. square A square has four sides. All sides are the same length. A square has four vertices. A square has four angles. A square is a plane shape.

4. rectangle A rectangle has four sides. Opposite sides are the same length. A rectangle has four vertices. A rectangle has four angles. A rectangle is a plane shape. A rectangle is two-dimensional.

5. trapezoid A trapezoid has four sides. One pair of opposites sides are parallel. A trapezoid has four angles. A trapezoid has four vertices. A trapezoid is a plane shape. A trapezoid is a two-dimensional figure.

6. hexagon A hexagon has six sides. A hexagon has six angles. A hexagon has six vertices. A hexagon is a plane shape. A hexagon is a two-dimensional figure.

7. parallelogram A parallelogram has four sides. Opposite sides are parallel. A parallelogram has four angles. A parallelogram has four vertices. A parallelogram is a plane shape. A parallelogram is a two-dimensional figure.

8. pentagon A pentagon has five sides. A pentagon has five angles. A pentagon has five vertices. A pentagon is a plane shape. A pentagon is a two-dimensional figure.

9. octagon An octagon has eight sides. An octagon has eight angles. An octagon has eight vertices. An octagon is a plane shape. An octagon is a two-dimensional figure.