Similar Triangles and Dilations

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

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

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

• x = 12

• x = 3

• x = 40

• x = 4

Tags

CCSS.HSG.SRT.A.2

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

• x = 20

• x = 12

• x = 5

• x = 4

Tags

CCSS.HSG.SRT.A.2

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

Are these triangles similar, congruent or neither?

• Similar

• Congruent

• Neither

Tags

CCSS.HSG.CO.B.7

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

Are these triangles similar, congruent or neither?

• Similar

• Congruent

• Neither

Tags

CCSS.HSG.CO.B.7

A dilation with a scale factor greater than 1 is called ​ (a)  

• enlargement

• reduction

Tags

CCSS.8.G.A.3

Are ABC and LMN similar?

• Yes

• No

Tags

CCSS.HSG.SRT.A.2