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 ...

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 ...

4 Ways to Construct an Isosceles Triangle - wikiHow
Edit Article How to Construct an Isosceles Triangle. Four Methods: Given All Side Lengths Given Two Equal Sides and the Angle Between Them Given The Base and Adjacent Angles Given the Base and Altitude Community Q&A An isosceles triangle is a triangle with two equal side lengths and two equal angles. Sometimes you will need to draw an isosceles triangle given limited information.

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.

Prove Triangle Is Isosceles using Coordinate Geometry
An isosceles triangle has 2 congruent sides and two congruent angles. The easiest way to prove that a triangle is isosceles using coordinate geometry is to use the sides.

Isosceles Triangle Quilt Along- Making the Quilt
Step 1: Cutting your fabric. You will need to cut your fabric into strips that are 6" x WOF (width of fabric) so if you are using fat quarters you will have 3 strips that are 6"x22", if you are using half yards you will have 3 strips that are 6"x44", etc.

Isosceles triangle Calculator - High accuracy calculation
Calculates the other elements of an isosceles triangle from the selected elements.

Triangle definition and properties - Math Open Reference
Vertex: The vertex (plural: vertices) is a corner of the triangle. Every triangle has three vertices. Base: The base of a triangle can be any one of the three sides, usually the one drawn at the bottom. You can pick any side you like to be the base. Commonly used as a reference side for calculating the area of the triangle.In an isosceles triangle, the base is usually taken to be the unequal side.

Isosceles Triangle | Definition of Isosceles Triangle by ...
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