Vertical Angles
In geometry vertical angles are formed when two straight lines intersect. They are opposite or vertically opposite to each other and non-adjacent. The angles are also said to share the same vertex. The most...
Monthly Archive: September 2013
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...
Parallel lines
This quick wiki entry explores very briefly what parallel lines are. The word “Parallel” comes from the Greek word para allelois meaning “beside one another”. Lines are parallel if they lie in the same...
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...
Full angle
This article explores very briefly what a full angle in geometry is. An angle is merely and angle whose measure is exactly 360°. This is where you make a full rotation or a full...