Geometry Unit 4

What is the scale factor from triangle ADE to triangle ACB?

• 2

• 3

• 4/3

• 5/3

Tags

CCSS.7.G.A.1

Which pair of polygons is definitely similar?

• 
• 
• 
• 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Triangle DEF is formed by connecting the midpoints of the sides of triangle ABC. The lengths of the sides of DEF are shown. What is the length of BC?

• 8

• 12

• 15

• 18

Tags

CCSS.HSG.SRT.B.4

• 40 degrees

• 60 degrees

• 65 degrees

• 75 degrees

Tags

CCSS.HSG.SRT.B.4

Right angle ABC is taken by a dilation with center P and scale factor 1/3 to angle A'B'C'. What is the measure of angle A'B'C'?

• 90 degrees

• 60 degrees

• 30 degrees

• 180 degrees

Tags

CCSS.8.G.A.3

A polygon has perimeter 24. It is dilated with a scale factor of k and the resulting image has a perimeter of 18. What is the scale factor?

• 4/3

• 3/4

• 2/3

• 3/2

Tags

CCSS.7.G.A.1

If the perimeter of triangle MNL is 24 units, what is the perimeter of triangle CBA?

Determine the center of the dilation.

• Point A

• Point B

• Point C

• Point D

Tags

CCSS.8.G.A.3

Triangle DEF is formed by connecting the midpoints of the sides of triangle ABC. What is the perimeter of triangle ABC?

• 12

• 18

• 19

• 38

Tags

CCSS.HSG.CO.C.10

Which of the following shapes aren't ALWAYS similar?

• Equilateral Triangles

• Circles

• Squares

• Hexagons

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6