Unit Test: Transformations, Similarity and Congruence April 15

Which transformation describes the change in the letter L?

• transformation

• reflection

• rotation

• dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle ABC was dilated by a scale factor of 2.5 to generate triangle DEF. Which preimage and image represents this dilation?

• 
• 
• 
• 

Tags

CCSS.8.G.A.3

Rectangle ABCD is shown on the graph. What are the new coordinate points of Rectangle ABCD after a translation 5 units down and 4 units right?

• A' (-3, 2) B '(5, 2)

  C' (-7, -1) and D'(2, -4)

• A' (2, -2) B '(-2, 2)

  C' (2, -1) and D'(-2, -1)

• A' (-2, 2) B '(2, 2)

  C' (-2, -1) and D'(2, -1)

• A' (-2, 2) B '(-2, 2)

  C' (2, -1) and D'(2, 1)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle XYZ  was dilated to generate a similar Triangle ABC. Find the missing value of k.

• 9

• 3

• 6

• 9.3

Tags

CCSS.HSG.SRT.A.2

Which transformation describes the change in the letter R?

• translation

• reflection

• rotation

• cannot be determined

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The transformation of triangle T on the left to triangle T' on the right is shown. Complete the sentence below:

Triangle T is ________ to Triangle T'.

• congruent

• similar

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The transformation of triangle T on the left to triangle T' on the right is shown. Complete the sentence below:

Triangle T can be transformed to triangle T' using a dilation with a scale factor of _______.

• 0.28

• 3.5

• 10

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

1. Triangle DEF is shown on the coordinate grid. Triangle DEF is rotated 90° clockwise about the origin to create triangle D´E´F´.

   What are the coordinates of point D´?

   
   

• D' (-1, -6)

• D' (-6, 1)

• D' (6, -1)

• D' (6, 1)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

1. An architect is creating a scale drawing of a garden, which is similar to the actual garden. A right triangular grassland, in the garden, has a base of 12 inches and a height of 7.5 inches in the architect's drawing. If the actual base of the grassland is 36 feet, what is the actual height of the grassland?

   
   

• 18.75 feet

• 3 feet

• 2.5 feet

• 22.5 feet

Tags

CCSS.7.G.A.1