Geometry
Parallel Lines
Lines are parallel if they are always the same distance apart (called "equidistant"), and will never meet. Definition of Parallel…
Rectangle: Definition, Area, Perimeter, Diagonal, Properties, & Examples
One type of shape in geometry is rectangle. There are many rectangle-shape things in daily life for example table, whiteboard,…
Angles
Definition An angle measures the amount of turn Names of Angles As the Angle Increases, the Name Changes: Type of…
Cone: Definition, Properties, Types, Surface Area, Volume
Have you ever eaten ice cream? One of the shapes is cone. Besides that, other cone things are traffic cone,…
Circle: Definition, Parts, Area, Perimeter, Examples
Circle is one of familiar shape in daily life. It was studied since long time ago. There are many things…
Trapezoid: Definition, Kinds, Area & Perimeter Formula, Examples
Geometry is one of mathematics’ branch. It has many shapes that one of them is plane geometry. In plane geometry,…
Cuboid
Cuboids are familiar objects you encounter in daily life numerous times. Cuboids are essentially boxes, formed exclusively from rectangles. These…
Supplementary Angles
Definition 2 Angles are Supplementary when they add up to 180 degrees. Supplement comes from Latin supplere, to complete or…
Vertically Opposite Angles
Vertically Opposite Angles Definition Vertically Opposite Angles are the angles opposite each other when 2 lines cross Vertical in this…
Congruent Angles
In geometry, 2 figures or objects are congruent if they have the same shape and size, or if one has…