8th Unit 2 Quiz 2 Review Game: Similarity

Every triangle has interior angles that add to equal _____ degrees.

• 90

• 180

• 360

• 100

Tags

CCSS.8.G.A.5

If a triangle has angle measures of 40 and 56, what does the third angle measure?

• 96

• 16

• 84

• 86

Tags

CCSS.8.G.A.5

In order to be similar, angles need to all be ​ (a)   and sides need to be proportional.

• the same
• different

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Sort the following as enough information to tell if triangles are similar or not.

Groups:

(a) Similar

,

(b) Not Similar

• Triangle 1: 30° and 50°
  And Triangle 2: 100° and 30°

• Triangle 1: 100° and Triangle 2: 100°

• Triangle 1: 100° and a 5 cm side and Triangle 2: 100° and 5 cm side

Tags

CCSS.HSG.SRT.A.2

Choose all the shapes similar to shape A.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Select all the shapes that are similar to Rectangle A.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What transformations can you use to show Triangle ABC and Triangle DEF are similar?

• Rotation 180° CW, Dilation by 2

  Translation

• Rotation 90° CW, Dilation by 2

  Translation

• Rotation 90° CW, Dilation by 1/2, Translation

• Rotation 180° CW, Dilation by 1/2

  Translation

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

Match the following dilations:

• Dilation Center (0,0); SF = 2

• 
• Dilation Center Point A; SF = 2

• 
• Dilation Center Point C; SF = 1/2

• 

Tags

CCSS.8.G.A.3

The center of dilation is the point where everything moves ​ (a)   when the scale factor is less than 1 or ​ (b)   when the scale factor is greater than 1.

• towards
• away from

Tags

CCSS.8.G.A.3

Given triangle ABC is similar to triangle DEF, label the missing angles.

c

d

e

123°

84°

57°

39°

53°

Tags

CCSS.HSG.SRT.A.2