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## Isosceles triangle - Wikipedia

en.wikipedia.org/wiki/Isosceles_triangle

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 called the ... Sinc...

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

An equilateral triangle has all sides measuring the same and an isosceles triangle has 2 sides congruent, so they are not the same. Every equilateral triangle is ...

## Right triangle definition - Math Open Reference

www.mathopenref.com/righttriangle.html

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 ...

## Properties of an Isosceles Triangle

www.math.washington.edu/~king/coursedir/m444a04/notes/02-PropertiesIsosTriangle.html

Theorem: Let ABC be an isosceles triangle with AB = AC. ... This can't be quite deduced from the B&B form of the axioms. ... AMB = angle AMC = right angle (so line MA is the perpendicular bisector of BC and also the altitude of ABC through A).

## 1 Section 7.1 – Solving Right Triangles Note that a calculator will be ...

www.math.uh.edu/~almus/1330_chapter7_part1_after.pdf

Example 2: In ABC. ∆ ... An isosceles triangle has sides measuring 20 inches, 54 inches and 54 inches. ... You can also find the area of a segment of a circle.

## Right Triangle -- from Wolfram MathWorld

mathworld.wolfram.com/RightTriangle.html

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 ...

## Special right triangles proof (part 2) (video) | Khan Academy

Showing the ratios of the sides of a 45-45-90 triangle are 1:1:sqrt(2) ... To be clear, the Side CB in Triangle ABC is equal to the root of Sum of the other two .... So a right isosceles triangle can also be called-- and this is the more typical name for ...

## Can an isosceles triangle be an equilateral triangle? - Quora

www.quora.com/Can-an-isosceles-triangle-be-an-equilateral-triangle

The answer to the given question: “Can an isosceles triangle be an equilateral triangle? ... accepted definition of an isosceles triangle, equilateral triangle ABC is also an isosceles triangle;² So, .... Can an isosceles triangle be a right triangle?

## Topic 3 - Triangles - The Monterey Institute for Technology and ...

www.montereyinstitute.org/courses/DevelopmentalMath/COURSE_TEXT2_RESOURCE/U07_L1_T3_text_container.html

Identify equilateral, isosceles, scalene, acute, right, and obtuse triangles. ... You can call this triangle ABC or since A, B, and C are vertices of the triangle. ... or right based on their angles, they can also be classified by the length of their sides .

## Math Scene - Triangles - Lesson 1 - Rasmus

rasmus.is/uk/t/F/Su55k01.htm

It is also common practice to label the side opposite angle A with a small a, the side ... We begin by labelling the triangles so we can see more easily which sides ... 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 ....