Understanding Triangles 5 Articles

by Kerry Kauffman

A triangle is a 3-sided enclosed figure, with 3 angles and 3 vertices. The sum of the measures of the angles of a triangle is 180 degrees. There are several different types of triangles, which I will introduce and explain...read more

by Raven Lebeau

A triangle consists of three line segments forming a closed figure. In general, closed figures composed of line segments are called "polygons," a word whose etymology contains the Greek words for "many" and "sides". Tria...read more

by Steven Mars

Triangles are composed of three connected segments. These three connected segments form three interior angles. A diagonal of a rectangle or square forms two triangles. A right triangle has 90 degrees as one of its angl...read more

by Moe Zilla

Triangles are a simple shape, but they can teach us a lot about geometry. It's easy enough to draw a triangle - for example, by making three dots on a piece of paper and then drawing straight lines connecting them. But...read more

by Tanu Bhandari

A close figure, formed by straight lines is called a polygon in plane geometry. Triangle is a polygon with three sides. The literal meaning of triangle is, having three angles. The sum of three angles being 180 degrees. ...read more