Geometry

Supplementary angles are a pair of angles, which when added measure 180 degrees. For example, the angles 140° and 40° … Read more

A circle is a curve in the plane that consists of all points that have the same distance from a … Read more

The radius of a circle is equal to the distance from the center of the circle to any point on … Read more

The circumference of a circle defines the length of the contour of the circle. The circumference is also referred to … Read more

The area of a circle is the region occupied by the circle in the two-dimensional plane. We can easily determine … Read more

The perimeter of any figure defines the path or the boundaries that enclose the figure. The perimeter of a circle … Read more

Octagons are polygons that have eight sides and eight interior angles. The total sum of the interior angles in an … Read more

The apothem of any polygon is equal to the line that connects the center of the polygon with one of … Read more

The perimeter of a geometric figure is the total length around its outline. This length can be calculated by adding … Read more

The area of an octagon is the region covered by the octagon’s boundaries in two-dimensional (2D) space. There are a … Read more