Similar Figures and Transformations

Find the ratios (red to blue) of the perimeter and the area.

• Perimeter: 20/54
  Area: 58/485
  Area:

• Perimeter: 3/4
  Area: 9/16

• Perimeter: 58/299
  Area: 57/383

• Perimeter: 5/10
  Area: 19/46

Rotate the coordinates 90° CCW.
A (4, 1)
B (6, -2)
C (8, -4)

• A' (1, 4)
  B'(-2, -6)
  C' (-4, -8)

• A' (3, 4)
  B' (1, 6)
  C' (8, 2)

• A' (-1,4)
  B' (2,6)
  C'(4,8)

• A' (-1, -4)
  B'(-2, -6)
  C' (4, -8)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Figure I and Figure II are similar figures. Which proportion must be true?

• 
• 
• 
• 

Tags

CCSS.HSG.SRT.A.2

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

• x = 12

• x = 3

• x = 40

• x = 4

Tags

CCSS.HSG.SRT.A.2

What is the scale factor of the dilation?

• 5/2

• 3/2

• 7/2

• 2/3

Tags

CCSS.8.G.A.3

How is triangle ABC being translated to triangle A'B'C'?

• up 3, left 8

• up 9, left 4

• down 3, right 8

• down 9, right 4

Tags

CCSS.HSG.CO.A.2

If you were to rotate ABCD 90° clockwise about the origin, what would be the coordinate of A'?

• (-5, 3)

• (3, -5)

• (5, -3)

• (-3, -5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Write a rule for the translation.

•  (x -1, y  + 2)

•  (x -2, y  + 1)

•  (x +2, y  - 1)

• (x +1, y  -  2)

Tags

CCSS.HSG.CO.A.2

How can this transformation be represented algebraically?

• (x + 4, y)

• (-x, -y)

• (-x, y)

• (y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

How is trapezoid ABCD translated to trapezoid A'B'C'D'?

• Translated 5 units down and 5 units to the right

• Translated 5 units down and 1 to the right

• Translated 8 units down and 5 units to the right

• Translated 5 units down and 4 units to the right

Tags

CCSS.HSG.CO.A.2