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Similar Triangles and Dilations

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Similar Triangles and Dilations
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Determine the correct algebraic representation of the similar figures

(x, y) -> (.5x, .5y)

(x, y) -> (2x, 2y)

(x, y) -> (x + 2, y + 2)

(x, y) -> (x - .5, y - .5)

Tags

CCSS.HSG.CO.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Determine the correct algebraic representation of the similar figures shown.

(x, y) -> (2x, 2y)

(x, y) -> (.5x, .5y)

(x, y) -> (x, 2y)

(x, y) -> (.5x, y)

Tags

CCSS.HSG.CO.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The pair of figures are similar. Find the missing side.

x = 12

x = 3

x = 40

x = 4

Tags

CCSS.HSG.SRT.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The pair of figures are similar. Find the missing side.

x = 20

x = 12

x = 5

x = 4

Tags

CCSS.HSG.SRT.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Rajesh is making pennants in preparation for a school soccer game. He wants the pennants to be similar triangles. Which of these triangles could he use for the pennants?

QRS and TVW

QRS and XYZ

TVW and JKL

TVW and XYZ

Tags

CCSS.HSG.SRT.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Are these triangles similar, congruent or neither?

Similar

Congruent

Neither

Tags

CCSS.HSG.CO.B.7

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the statements is true about the graphed triangles?

They are similar, because one can be obtained by dilating the other about the origin with a scale factor of 2.

They are similar, because one can be obtained by dilating the other about the origin with a scale factor of 1/2.

They are not similar, because one can be obtained by dilating the other about the origin with a scale factor of 2.

They are not similar, because one can be obtained by dilating the other about the origin with a scale factor of 1/2.

Tags

CCSS.HSG.SRT.A.2

CCSS.8.G.A.4

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