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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.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 ...

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.khanacademy.org/math/geometry/hs-geo-congruence/hs-geo-congruence-theorems/v/congruent-legs-and-base-angles-of-isosceles-triangles

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

brilliant.org/wiki/isosceles-triangle-theorem

An isosceles triangle is a triangle that has two equal sides. The isosceles triangle theorem states the following: This theorem gives an equivalence relation.

proofsfromthebook.com/2013/05/12/the-isosceles-triangle-theorem

May 12, 2013 ... The Isosceles Triangle Theorem states that the angles opposite to the two congruent sides of an isosceles triangle are congruent. In the figure ...

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 ...

.ask.com/youtube?q=Isosceles+Triangle+Theorem&v=Tqh7RGWd480
Nov 8, 2007 ... For a complete lesson on the isosceles triangle theorem, go to http://www. yourteacher.com - 1000+ online math lessons featuring a personal ...

www.dummies.com/education/math/geometry/using-the-isosceles-triangle-theorems-to-solve-proofs

The following two theorems — If sides, then angles and If angles, then sides — are based on a simple idea about isosceles triangles that happens to work in ...