Circles
A circle is a collection of points that are equidistant from the center point. It is not a polygon because it does not have three or more sides!
Continue reading →Category: Geometry
Rectangles and Squares
Rectangles and squares are described together because the formulas for finding their area and perimeter are the same, despite them having a few differences.
Continue reading →Parallel Lines
Parallel lines are lines that are always the same distance apart from one another, and no matter how far they are extended, they never cross. Parallel lines have the same slope, and can be drawn in any direction.
Continue reading →Types of Angles
There are five basic types of angles (based on angle measurements), two pairs of angles that have special properties, vertical angles (when angles are drawn by crossing lines), and adjacent angles.
Continue reading →Similar and Congruent Shapes
When you compare two or more shapes, they can be classified as similar (same shape but different size) or congruent (the same shape and same size).
Continue reading →Triangles
A triangle is a polygon with three sides. There are several types of triangles which are based either on the length of the sides, or on the size of the angles.
Continue reading →3D Shapes and Volume
A three-dimensional (3D) shape has three dimensions: length, width, and height, while a 2D shape has only length and width.
Continue reading →