I am a quadrilateral with one set of parallel lines.
TRAPEZOID
I am 2 lines that never touch each other.
PARALLEL LINES
I am a 5-sided polygon.
PENTAGON
I am the flat surface of a figure.
FACE
I am a quadrilateral with 4 sides of equal length and 4 right angles.
I am the place where 2 lines meet and form an angle.
VERTEX/VERTICIES
I am a 6-sided polygon, and you see my shape often in snowflakes.
I am the place where 2 faces meet.
EDGE
I am a quadrilateral with two sets of parallel lines.
PARALLELOGRAM
I am a perfect L-shaped angle.
RIGHT ANGLE
I am an 8-sided polygon.
OCTAGON
I am a corner where 3 faces meet.
VERTEX
I am a quadrilateral with 4 right angles. My opposite sides are parallel and opposite sides are equal length.
RECTANGLE
I am the edge surrounding a shape.
SIDE
I am a 10-sided polygon.
DECAGON
I am the bottom surface of a solid figure that that can lay flat.
BASE