similarity

Similarity

Multiple Choice

Find the missing side in the similar figure above.

• 26

• 27.6

• 25.2

• 28.8

Multiple Choice

Are these triangles similar?

• No
• Yes by SSS∼
• Yes by AA∼
• Yes by SAS∼

Multiple Choice

The triangles are similar by...

• SAS
• AA
• ASA
• SSS

Multiple Choice

The triangles are similar by...

• SAS
• AA
• ASA
• SSS

Multiple Choice

SF=

• 2
• 12
• 1/2
• 10

Multiple Choice

Choose the similarity statement for the triangles.

• ΔMNL ∼ ΔOPQ
• ΔNOM ∼ ΔPQL
• ΔLMN ∼ ΔPQO
• ΔMLN ∼ ΔPQO

Multiple Choice

Similarity Ratio: _

• 2/3
• 1/2
• 2
• 3

Multiple Choice

If the triangles are similar, state how.

• SSS
• SAS
• AA
• Not similar

Multiple Choice

How many pairs of congruent angles in 2 triangles are needed to prove the 2 triangles are similar?

• 2 or 3
• 1
• 0
• only 3

Multiple Choice

2 triangles are similar if _____________.

• their angles are congruent.
• their sides are congruent.
• their areas are equal.
• their perimeters are equal.

Multiple Choice

Are these triangles similar?
Angles in Triangle 1:  40⁰,60⁰, and 80⁰
Angles in Triangle 2:  40⁰,50⁰, and 90⁰

• Yes
• No
• There is not enough information to decide.

Multiple Choice

Are these triangles similar?
Known angles in Triangle 1:  40⁰,60⁰
Known angles in Triangle 2:  60⁰,40⁰

• Yes
• No
• There is not enough information to decide.

Multiple Choice

Complete the similarity statement.
ABC ~ ___

• ZYX
• XZY
• YZX
• XYZ

Multiple Choice

What is the value of X and Y ?

• X=2.5 and Y=6.5
• X=6.5 and Y=2.5
• X=3 and Y=7
• X=2 and Y= 5

Multiple Choice

Complete each proportion.
CB / DM  =  AC / ?

• BM
• MA
• BC
• AD

Multiple Choice

Determine whether the triangles are similar(name the postulate or theorem you used).

• SSS similar
• AA similar
• SAS similar

Multiple Choice

Are the following similar? Why or why not?

• Yes, because the corresponding angles are congruent.
• No, the numbers are even
• No, the sides are 2 times larger, but the width is the same.

Multiple Choice

The two rectangles are scale drawings. What is the measurement of x?

• 21
• 1.25
• 20
• 4

Multiple Choice

What is the scale factor from ΔDEF to ΔABC?

• 1/2
• 7/3
• 2
• 10/3

Multiple Choice

What is ratio of any two corresponding sides?

• Scale Factor
• Corresponding Sides
• Similar Figures

Multiple Choice

Tell whether the two figures are congruent.

• Yes, same size and same shape
• No, same shape but different sizes
• No, different size and different shapes