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Isosceles triangle - Wikipedia


In geometry, an isosceles triangle is a triangle that has two sides of equal length. Sometimes it ... In the equilateral triangle case, since all sides are equal, any side can be ... which goes thro...

Right triangle ABC could also be an isosceles triangl - Answers.com


Yes if it's 90, 45 and 45 degrees.

Right triangle definition - Math Open Reference


Notice it always remains a right triangle, because the angle ∠ABC is always 90 ... A right triangle can also be isosceles if the two sides that include the right ...

Isosceles triangle - math word definition - Math Open Reference


Definition and properties of isosceles triangles. ... Obviously all equilateral triangles also have all the properties of an isosceles triangle. ... In the figure above, the angles ∠ABC and ∠ACB are always the same; When the 3rd angle is a right angle, ... The base, leg or altitude of an isosceles triangle can be found if you know ...

Medians, Altitudes and Angle Bisectors in Special Triangles on the ...


May 19, 2014 ... Angle bisector which is also a median implies isosceles triangle which implies ... Can we have a median from vertex A which is perpendicular to BC but does ... Statement 2: The altitude of B to AC is a median in triangle ABC.

Right Angled Triangles - Math is Fun


A right angled triangle (also called a right triangle) ... triangle (I also put 90°, but you don't need to!) ... It has no equal sides so it is a scalene right angled triangle  ...

Assignment 6


Will a right triangle always generate a right triangle of medians? ... For example, in the triangle ABC (shown below) we can find the midpoint of AB, label it ... states that the triangle of medians formed by an equilateral triangle is also equilateral ...

Greatest possible measure of ∠ A in an isosceles triangle A B C


Sep 10, 2014 ... It also generally makes it a more interesting question, with no unnecessary ... Then you would have an isosceles right triangle, and B C , the ...

Can an equilateral triangle be an isosceles triangle, too ...


Oct 26, 2014 ... I've looked in a math book that an isosceles triangle has at least two congruent sides. I also know ... This got me thinking that equilateral triangles can also be isosceles triangles, but is that true? I'm wanting to .... Finding the sides of Right Triangle when only angles are given ... Is ABC an equilateral t...

Tim's Triangular Page - The Sakharovs


A triangle can also be defined as a three-sided polygon. ... The two acute angles of an isosceles right triangle measure 45 degrees. ... Two congruent triangles ABC and CDA with a common side and equal angles located at two different ends ...

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The isosceles right triangle. Topics in trigonometry - The Math Page


AN ISOSCELES RIGHT TRIANGLE is one of two special triangles. (The other is the 30°-60°-90° triangle.) The student should know the ratios of the sides.

Right Triangle -- from Wolfram MathWorld


Special cases of the right triangle include the isosceles right triangle (middle ... The inradius can be found by equating the area of the triangle DeltaABC ... are right triangles and the corresponding legs are equal, the hypotenuses are also ...

Math Scene - Triangles - Lesson 1 - Rasmus


It is also common practice to label the side opposite angle A with a small a, the ... Another rule using proportions in triangles can be deduced. ... Two sides of the triangle ABC, AB and BC are 30 cm in length and the third ... Isosceles. Right angled. In an equilateral triangle all the sides are equal and all the angles are 60 °.