1. Lines - Lines can be straight,zigzag,curved.
Intersecting lines make an angle.
Parallel lines always are the same distance and never meet.
A circle is a shape but not a polygon because it dose not have strait sides.
A line segment is a line that has 2 end points.
A ray is a line that has one endpoint and goes on and on in one direction.
Perpendicular lines are lines that make a right angle.
A line segment is a line with two endpoints.
A point marks where something is.
2. Angles-Angles are two rays that meet at the same end point.
A vertex is a shape that makes a angle.
An acute angle is an angle that is smaller than 90 degrees.
An obtuse angle is an angle that is more than 90 degrees.
A right angle is an angle that is exactly 90 degrees.
3. Parallelogram-A parallelogram has two sets of parallel lines.
A hexagon is a shape that has six sides.
A octagon is a shape that has eight sides.
A square is a four sided shape that has four equal sides.
A rhombus is a shape that has all equal sides.
A rectangle is a shape that has 2 pare of parallel lines.
A triangle has three sides that can have different lengths.
A trapezoid has only one pare of parallel lines.
A pentagon has five sides that has no equal sides.
Symmetry is a line that cuts a shape in half to make it equal.
A square has all equal sides.