Unit 7 Quiz

How many lines of symmetry does the flower have?

• 2
• 3
• 6
• 9

How many lines of symmetry are there on an equilateral triangle?

• 0

• 1

• 2

• 3

Which of the following letters does not have line symmetry, but has point symmetry:

• H

• I

• Z

• X

What is the formula for scale factor?

• $\frac{new}{old}$

• $\frac{old}{new}$

A ~ B. What is the scale factor of the dilation of A to B?

• $\frac{4}{3}$

• $\frac{3}{4}$

• 3

• 4

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

• x = 9
• x = 28
• x = 7
• x = 63

The triangles are similar, solve for the question mark.

• 8
• 12.5
• 18
• 24

State if the pair triangles are similar. If they are similar, state how you know the triangles are similar.

• Similar by SSS

• Similar by AA

• Similar by SAS

• Not Similar

State if the pair triangles are similar. If they are similar, state how you know the triangles are similar.

• Similar by AA

• Not Similar

• Similar by SAS

• Similar by SSS

State if the pair triangles are similar. If they are similar, state how you know the triangles are similar.

• Similar by AA

• Not Similar

• Similar by SAS

• Similar by SSS