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Activities on the Isosceles Triangle Theorem
An isosceles triangle is a three-sided geometrical shape in which at least two of the sides are equal. Equilateral triangles, in which all three sides are equal, are a type of isosceles triangle. The isosceles triangle theorem states that the angles... More »
Difficulty: Easy
Source: www.ehow.com

en.wikipedia.org/wiki/Isosceles_triangle

The theorem which states that the base angles of an isosceles triangle are equal appears as Proposition I.5 in ...

en.wikipedia.org/wiki/Pons_asinorum

In geometry, the statement that the angles opposite the equal sides of an isosceles triangle are .... The isosceles triangle theorem holds in inner product spaces over the real or complex numbers. In such spaces, it takes a form that says of ...

www.varsitytutors.com/hotmath/hotmath_help/topics/isosceles-triangle-theorem

Isosceles Triangle Theorem. If two sides of a triangle are congruent , then the angles opposite to these sides are congruent. ∠P≅∠Q. Proof: Let S be the ...

www.mathwarehouse.com/geometry/congruent_triangles/isosceles-triangle-theorems-proofs.php

Proofs involving isosceles triangles often require special consideration because an isosceles triangle has several distinct properties that do not apply to normal ...

Sal proves that the base angles in isosceles triangles are congruent, and conversely, that triangles with congruent base angles are ... They are all theorems.

mathworld.wolfram.com/IsoscelesTriangle.html

An isosceles triangle is a triangle with (at least) two equal sides. ... of the isosceles triangle illustrated above can be found from the Pythagorean theorem as ...