Comparing Triangles: Word Chart

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 French (FR)

Portuguese (PT)

* = Cognate

 

Word

Academic Language Meaning

Everyday Language Version

Other Forms of the Word or Phrase

Related Words or Phrases

Translation

 

 

Examples of word use with students

Congruent

Two geometric figures in the plane are congruent if one can be obtained from the other by some combination of rotations, reflections, and translations

The same or equal in some way; same size and shape.

Congruently

Congruence

Congruous

Same shape

*Congruente (SP)

*Congruent(e) (FR)

Coincidente (PT)

 

 

 

Reflection

A transformation in which each point is mapped to a corresponding point, which is an equal point from, and at right angles to, a mirror line; a map that transforms an object into its mirror image.

Mirror image.

Reflect

Reflects

Reflecting Reflected

Copy

Duplicate

Symmetry

*Reflexión (SP)

*Réflexion (FR)

*Reflexão (PT)

 

Translation

A transformation in which an object is moved to a new position without being turned or reflected. The translated image is the same size and shape as the object.

A change or conversion from one version to another; to modify.

 

Translate

Translates

Translating Translated

Reposition

Relocation

 

*Traslación (SP)

*Translation (FR)

*Translação (PT)

 

Rotation

A transformation in which a figure is turned so that each point on the image remains the same distance from a fixed point (2-D or 3-D) or line (3-D).

Turning around; moving clockwise or counter-clockwise.

Rotations

Rotating

Rotated

Turn

Moving in a circle

 

 

 

*Rotación (SP)

*Rotation (FR)

*Rotação (PT)

 

 

Isosceles Triangle

 

A triangle that has two equal sides. The angles opposite these sides are also equal.

A triangle with two equal sides.

 

 

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Triángulo isosceles (SP)

Triangle isocèle (FR)

Triångulo isósceles (PT)

 

Rectangle

A parallelogram with four right angles

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Rectangular

Rectangles

 

Parallelogram

Quadrilateral

Quadrangle

*Rectángulo (SP)

*Rectangle (FR)

*Retângulo (PT)

 

 

 

 

 

 

 

Turn

 

 

 

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Movement around an axis or a center.

Turns

Turned

Turning

Rotation

Moving in a circle

Virar/Girar (SP)

*Tourner (FR)

Virar/Girar (PT)

 

Slide

 

 

 

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Linear movement along a surface.

Slides

Slid

Sliding

Drift

Move along

Translate

Deslizar (SP)

Glisser (FR)

Deslizar (PT)

 

Flip

 

 

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To turn over; to turn upright then down. 

Flips

Flipped

Flipping

Reflection

 

 

Voltear (SP)

Retourner (FR)

Virar (cabeça para baixo) (PT)

 

Discover

 

 

 

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To make known; obtain knowledge of.

Discovers

Discovered

Discovering

Discovery

Find

Determine

*Descubrir (SP)

*Découvrir (FR)

*Descobrir (PT)

 

Alike

 

 

 

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In the same or similar manner, for, or degree.

Alikeness

 

Similar

 

*Similar (SP)

*Similaire/Semblable (FR)

*Similar (PT)

 

To Fold

 

 

 

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To lay one part over another part.

Folded

Folds

Enclose

Envelop

Double Over

 

Doblar (SP)

Plier (FR)

Dobrar (PT)