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Isosceles Triangle -- from Wolfram MathWorld
Isosceles Triangle. An isosceles triangle is a triangle with (at least) two equal sides. In the figure above, the two equal sides have length and the remaining side has length .This property is equivalent to two angles of the triangle being equal.
Isosceles triangle - Wikipedia
In geometry, an isosceles triangle is a triangle that has two sides of equal length. Sometimes it is specified as having exactly two sides of equal length, and sometimes as having at least two sides of equal length, the latter version thus including the equilateral triangle as a special case.Examples of isosceles triangles include the isosceles right triangle, the golden triangle, and the ...
Isosceles | Definition of Isosceles by Merriam-Webster
Recent Examples on the Web. Geographically, Richland, Hammonton, and Absecon don't form an isosceles triangle. — Phil Anastasia, Philly.com, "St. Augustine's new head coach will continue non-public rivalry," 26 May 2017 These example sentences are selected automatically from various online news sources to reflect current usage of the word 'isosceles.'
Triangle - Wikipedia
By lengths of sides. Triangles can be classified according to the lengths of their sides: An equilateral triangle has all sides the same length. An equilateral triangle is also a regular polygon with all angles measuring 60°.; An isosceles triangle has two sides of equal length. An isosceles triangle also has two angles of the same measure, namely the angles opposite to the two sides of the ...
Triangles - Equilateral, Isosceles and Scalene
Equilateral Triangle . Three equal sides Three equal angles, always 60° . Isosceles Triangle . Two equal sides Two equal angles . Scalene Triangle . No equal sides No equal angles
How to construct an isosceles triangle given base and one ...
How to construct (draw) an isosceles triangle with compass and straightedge or ruler, given the length of the base and one side. First we copy the base segment. Then we use the fact that both sides of an isosceles triangle have the same length to mark the apex (topmost point) of the triangle the same distance from each end of the base.
Isosceles Triangle Calculator - Omni
Isosceles triangle calculator is the best choice if you are looking for a quick solution to your geometry problems. Find out the isosceles triangle area, its perimeter, inradius, circumradius, heights and angles - all in one place.
Isosceles Triangle | Definition of Isosceles Triangle by ...
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Isosceles Triangle Unit
Notes: 1) After independently coming up with this unit I discovered that Jeannine Mosely came up with it as well. 2) The finished unit in step 5 can be used for constructing both the lesser and the greater stellated dodecahedra.
Isosceles Triangle Theorem | Brilliant Math & Science Wiki
An isosceles triangle is a triangle that has two equal sides. The isosceles triangle theorem states the following: This theorem gives an equivalence relation. In order to show that two lengths of a triangle are equal, it suffices to show that their opposite angles are equal. In fact, given any two segments ...