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SSS Triangle Congruence

Three sets of equal side lengths determine congruence.

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SSS Triangle Congruence
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Vocabulary

Congruent

Congruent

Congruent figures are identical in size, shape and measure.
Distance Formula

Distance Formula

The distance between two points (x_1, y_1) and (x_2, y_2) can be defined as d= \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}.
H-L (Hypotenuse-Leg) Congruence Theorem

H-L (Hypotenuse-Leg) Congruence Theorem

If the hypotenuse and leg in one right triangle are congruent to the hypotenuse and leg in another right triangle, then the two triangles are congruent.
Side Side Side Triangle

Side Side Side Triangle

A side side side triangle is a triangle where the lengths of all three sides are known quantities.
SSS

SSS

SSS means side, side, side and refers to the fact that all three sides of a triangle are known in a problem.
Triangle Congruence

Triangle Congruence

Triangle congruence occurs if 3 sides in one triangle are congruent to 3 sides in another triangle.
Rigid Transformation

Rigid Transformation

A rigid transformation is a transformation that preserves distance and angles, it does not change the size or shape of the figure.

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