Category: A

Area of an annulus 0

Area of an annulus

This entry briefly explores the area of an annulus. In mathematics, an annulus is a ring-shaped object, which contains a region bounded by two concentric circles. The area is simply the area of the...

Adjacent angles 0

Adjacent angles

Let us look very briefly at Adjacent angles. In geometry adjacent angles are two angles that share a common side and a common vertex, but do not overlap. An example is show below. Above...

Acute angles 0

Acute angles

Here we shall look very briefly at acute angles. Among different types and sizes of angles is the acute angle. Acute angles smaller than a right angle (less than 90°) are called acute angles....

Angles 0

Angles

This entry explores the basics of angles. An angle shape, composed of two lines or rays diverging from a common point known as the vertex. There are various types of angles. All angles have...

Abscissa 0

Abscissa

Abscissa is the horizontal coordinate of a point in a Cartesian coordinate system. The term is used when measuring in the horizontal axis of a two-dimensional graph. Typically the coordinates of any point say...