# Flashcards - NES Math: Triangle Theorems & Proofs

Flashcards - NES Math: Triangle Theorems & Proofs
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similar
Two geometrical objects are called similar if they both have the same shape, or one has the same shape as the mirror image of the other
isosceles triangle
In geometry, an isosceles triangle is a triangle that has two sides of equal length
Congruent Triangles
In geometry, two figures or objects are congruent if they have the same shape and size, or if one has the same shape and size as the mirror image of the other
hypotenuse leg
In geometry, a hypotenuse is the longest side of a right-angled triangle, the side opposite of the right angle
perpendicular bisector theorem
In geometry, bisection is the division of something into two equal or congruent parts, usually by a line, which is then called a bisector
angle bisector theorem
In geometry, the angle bisector theorem is concerned with the relative lengths of the two segments that a triangle's side is divided into by a line that bisects the opposite angle

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