IM Unit 2 Quiz Review

Which statement could be used to describe the dilation that takes triangle GEF to triangle G'E'F'?

• Dilate triangle GEF using G as the center of dilation with a scale factor of 1/2.

• Dilate triangle GEF using E as the center of dilation with a scale factor of 2.

• Dilate triangle GEF using G as the center of dilation with a scale factor of 2.

• Dilate triangle GEF using E as the center of dilation with a scale factor of 1/2.

Select ALL of the pairs of polygons in which the image appears to be the result of a dilation of the pre-image

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Tags

CCSS.8.G.A.3

Triangle ABC is dilated with a scale factor of 1/3​.

What is the SIDE LENGTH measurements labelled "a" of triangle

A′B′C′?

Tags

CCSS.8.G.A.3

Triangle ABC is dilated with a scale factor of 1/3​.

What is the SIDE LENGTH measurements labelled "b" of triangle

A′B′C′?

Tags

CCSS.8.G.A.3

Triangle ABC is dilated with a scale factor of 1/3​.

What is the SIDE LENGTH measurements labelled "c" of triangle

A′B′C′?

Tags

CCSS.8.G.A.3

Triangle ABC is dilated with a scale factor of 1/3​.

What is the ANGLE measurements labelled "a" in triangle A′B′C′.

Tags

CCSS.8.G.A.3

Triangle ABC is dilated with a scale factor of 1/3​.

What is the ANGLE measurements labelled "c" in triangle A′B′C′.

Tags

CCSS.8.G.A.3

Triangle ABC is dilated with a scale factor of 1/3​.

What is the ANGLE measurements labelled "b" in triangle A′B′C′.

Tags

CCSS.8.G.A.3

Shapes that are the same shape and the same size are ________.

• similar
• unique
• congruent
• corresponding

Tags

CCSS.8.G.A.2

Select ALL that apply.

In order for images to be similar to each other,

• all angles must stay congruent

• the new image must get bigger

• you add the same number to all side lengths

• all side lengths must increase or decrease by the same scale factor

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6