A triangle that has angles less then 90 degres

Which one angle is a right angle (that is, a 90-degree angle).

A triangle that has an angle greater than 90°. See: Acute Triangle · Triangles - Equilateral, Isosceles and Scalene.

. A triangle with all angles equal (60°)

is a triangle in which all three sides are equal.

A triangle with two equal sides. The angles opposite the equal

There are three special names given to triangles that tell how many sides (or angles) are equal. There can be 3, 2 or no ...

There are three special names given to triangles that tell how many sides (or angles) are equal. There can be 3, 2 or no ...

There are three special names given to triangles that tell how many sides (or angles) are equal. There can be 3, 2 or no ...

There are three special names given to triangles that tell how many sides (or angles) are equal. There can be 3, 2 or no ...

There are three special names given to triangles that tell how many sides (or angles) are equal. There can be 3, 2 or no ...

There are three special names given to triangles that tell how many sides (or angles) are equal. There can be 3, 2 or no ...

Centroid or geometric center of a two- dimensional region is, informally, the point at which a cardboard cut-out of the region could

Triangle is a straight line through a vertex and ...