Geometry Unit 6 Test (Similar Triangles)

Determine whether the triangles are similar.

• SSS

• SAS

• AA

• Not Similar

Find the length of AB.

• 36

• 18

• 6

• 12

The flag pole is 6 feet tall with a shadow of 10 feet. Using proportions, how tall is the pine tree?

• 10 ft

• 12 ft

• 20 ft

• 18 ft

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?

• 144 feet

• 72 feet

• 36 feet

Find side length X.

• 22.5

• 10

• 9

• 7.5

Choose the similarity statement for the triangles.

• ΔMNL ∼ ΔOPQ

• ΔNOM ∼ ΔPQL

• ΔLMN ∼ ΔPQO

• ΔMLN ∼ ΔPQO

• ΔNEW

• ΔNWE

• ΔENW

• ΔNWE

How do you write the algebraic notation when the scale factor is 3?

• (x, y) goes to (1/3x, 1/3y)

• (x, y) goes to (-3x, -3y)

• (x, y) goes to (x + 3, y + 3)

• (x, y) goes to (3x, 3y)

• x = 9

• x = 3.9

• x = - 0.26

• x = 9.95

What does it mean for two shapes to be similar?

• Same shape, but different size.

• Same size and same shape.

• Their angles add up to 180^o.

• They are congruent.