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GeoGebra Klaslokaal

Exploring Dilations in the Coordinate Plane

Auteur:Alice Wanty, Rick Stuart, Kim Kembitzky, Katrina Cushenberry

Onderwerp:Dilatatie

Explore dilations on the following graph by sliding the scale factor button. Then answer the questions below.

Dilations

Triangle ABC is the preimage, and triangle A'B'C' is the image after dilation.

When the scale factor is a decimal less than one, how does triangle A'B'C' compare to triangle ABC?

Vink alles aan wat van toepassing is

A
A'B'C' is smaller and located below ABC.
B
A'B'C' is larger and located above ABC.
C
The two triangles are congruent.

Controleer mijn antwoord (3)

Triangle ABC is the preimage, and triangle A'B'C' is the image after dilation.

When the scale factor is 2, how does triangle A'B'C' compare to triangle ABC?

Vink alles aan wat van toepassing is

A
A'B'C' is smaller and located below ABC.
B
A'B'C' has side lengths 2 times larger than ABC and is above ABC.
C
The two triangles are congruent.
D
A'B'C' has side lengths 1/2 times smaller than ABC and is above ABC.

Controleer mijn antwoord (3)

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