Definition of Obtuse Triangle - Math is Fun
Math explained in easy language, plus puzzles, games, quizzes, videos and worksheets. For K-12 kids, teachers and parents.
obtuse triangle - K-6 Geometric Shapes
The Obtuse Triangle is identified by angles. An Obtuse triangle will ALWAYS have one angle which is Obtuse. This is an angle that measures between 90 and 180 degrees.
Triangle Types and Classifications: Isosceles, Equilateral ...
Triangles can be classified by various properties relating to their angles and sides. The most common classifications are described on this page.
How to construct (draw) the orthocenter of a triangle ...
How to construct the orthocenter of a triangle with compass and straightedge or ruler. The orthocenter is the point where all three altitudes of the triangle intersect. An altitude is a line which passes through a vertex of the triangle and is perpendicular to the opposite side. A Euclidean construction
Obtuse - definition of obtuse by The Free Dictionary
Usage Note: Obtuse is sometimes used where one might expect abstruse instead, but the Usage Panel is divided on the acceptability of these usages. In our 2009 survey, 55 percent of the Usage Panel rejected obtuse meaning "recondite," as in The reader has to struggle through dense prose and obtuse references to modern philosophers. Some 52 percent rejected the word when used to mean "indirect ...
Triangles - Equilateral, Isosceles and Scalene
Why is the Area "Half of bh"? Imagine you "doubled" the triangle (flip it around one of the upper edges) to make a square-like shape (a parallelogram) which can be changed to a simple rectangle:. THEN the whole area is bh, which is for both triangles, so just one is ½ × bh.
Obtuse dictionary definition | obtuse defined
An example of obtuse is someone who listens to a joke but doesn't understand the punchline.
Triangle - Wikipedia
A triangle is a polygon with three edges and three vertices.It is one of the basic shapes in geometry.A triangle with vertices A, B, and C is denoted .. In Euclidean geometry any three points, when non-collinear, determine a unique triangle and simultaneously, a unique plane (i.e. a two-dimensional Euclidean space).In other words, there is only one plane that contains that triangle, and every ...
Online Triangle Calculator. Enter any valid values and ...
Math Warehouse's popular online triangle calculator: Enter any valid combination of sides/angles(3 sides, 2 sides and an angle or 2 angle and a 1 side) , and our calculator will do the rest! It will even tell you if more than 1 triangle can be created.
Types of Triangles based on Angles
Types of triangles based on their angles. A RIGHT triangle has one 90 o angle.; An OBTUSE triangle has one angle that is greater than 90 o.; An ACUTE triangle has all three angles less than 90 o.