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Obtuse triangle definition - Math Open Reference
In any triangle, two of the interior angles are always acute (less than 90 degrees) *, so there are three possibilities for the third angle: . Less than 90° - all three angles are acute and so the triangle is acute. Exactly 90° - it is a right triangle Greater than 90° (obtuse): the triangle is an obtuse triangle In the figure above, drag the vertices around and try to create all 3 ...
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.
How to Calculate the Obtuse Triangle | Sciencing
An obtuse triangle is a triangle that has a single obtuse angle, which is an angle that measures more than 90 degrees and less than 180 degrees.
How Do You Calculate the Area of an Obtuse Triangle ...
To find the area of a triangle without a right angle, you multiply one-half the base by the height. Obtuse triangles are included in this group.
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.
two sides of an obtuse triangle measure 12 inches and 14 ...
Two sides of an obtuse triangle measure 12 inches and 14 inches. the longest side measures 14 inches. what is the greatest possible whole-number length of the unknown side?
The longest side of an isosceles obtuse triangle measures ...
The longest side of an isosceles obtuse triangle measures 20 centimeters. The other two side lengths are congruent but unknown. What is the greatest possible whole-number value of the congruent side lengths?
Triangle Circumcenter definition - Math Open Reference
One of several centers the triangle can have, the circumcenter is the point where the perpendicular bisectors of a triangle intersect. The circumcenter is also the center of the triangle's circumcircle - the circle that passes through all three of the triangle's vertices.As you reshape the triangle above, notice that the circumcenter may lie outside the triangle.
Acute Triangle -- from Wolfram MathWorld
with the angle opposite side .For an angle to be acute, .Therefore, an acute triangle satisfies , , and .. The smallest number of acute triangles into which an arbitrary obtuse triangle can be dissected is seven if , , and otherwise eight (Manheimer 1960, Gardner 1981, Wells 1991).A square can be dissected into as few as 9 acute triangles (Gardner 1981, Wells 1991).
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.