Unit 2. Dilation, Similarity, and Slope

Which line has a slope of 3/5

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Tags

CCSS.8.EE.B.5

Which statement is NOT true?

• Dilations always keep side lengths the same.

• Dilations of a line are always parallel to the original line.

• Dilations of a triangle are always similar to the original triangle.

• Dilations always keep angle measures the same

Tags

CCSS.8.G.A.3

Select the polygon which is SIMILAR to Polygon A​ ​ ​ ​ (a)   ​

• B
• E
• D

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Triangles 𝐴𝐵𝐶 and 𝐷𝐸𝐹 are similar. Determine the exact lengths of segments 𝐷𝐹 and 𝐸𝐹.

a

b

2.01

2.68

Tags

CCSS.HSG.SRT.A.2

Triangle 𝐸𝐹𝐺 is a dilation of triangle 𝐴𝐵𝐶 with center 𝐵 and a scale factor of 3. Which of the following illustrates triangle 𝐸𝐹𝐺 with respect to triangle 𝐴𝐵𝐶?

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Tags

CCSS.8.G.A.3

What is the implication if the corresponding angles of the two triangles are congruent?

• Two triangles are not similar.

• Two triangles are similar.

• Two triangles cannot determine its implication.

Tags

CCSS.HSG.SRT.A.2

What is the slope of the line of the following image?

• 2/5

• 5/2

• 3/5

• 5/3

Tags

CCSS.8.EE.B.5

Triangles EFC, and CBA are similar. Which sequence of transformation will carry from Triangle

• A translation, then a dilation.

• A dilation, followed by another dilation.

• A reflection, then dilation

• A rotation, then a dilation

Tags

CCSS.HSG.SRT.A.2

CCSS.8.G.A.4