Obtuse Triangle -- from Wolfram MathWorld
An obtuse triangle is a triangle in which one of the angles is an obtuse angle. (Obviously, only a single angle in a triangle can be obtuse or it wouldn't be a triangle.)
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: Practice Finding Area - Education.com
Help your child get a grasp on geometry with this area-finding worksheet focused on obtuse triangles.
How to Calculate Area of an Obtuse Triangle | Sciencing
An obtuse triangle is any triangle that contains an obtuse angle -- an angle that is greater than 90 degrees . The formula for finding the area of an obtuse triangle is the same as for other triangles, area = 1/2 x (base x height) .
Triangle Types and Classifications: Isosceles, Equilateral ...
How Triangles are classifed as well as defining traits of each type of type.
Triangle Circumcenter definition - Math Open Reference
Definition and properties of the circumcenter of a triangle
HELP ITS GEO2 Which sets of three of numbers represent the ...
Answer to HELP ITS GEO2 Which sets of three of numbers represent the sides of an obtuse triangle? Check all that apply. 4, 7, 8 3, 4, 5 2, 2, 3 6, 8, 9 3, 5, 6
Triangles - Equilateral, Isosceles and Scalene
Equilateral, Isosceles and Scalene. There are three special names given to triangles that tell how many sides (or angles) are equal. There can be 3, 2 or no equal sides/angles:
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.
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.