Quiz about Dilation and Similarity

Question 1

Are the following triangles similar?

Accepted Answer

yes

Answer

no

Question 2

Are the following triangles similar?

Accepted Answer

no

Answer

yes

Question 3

Are the following triangles similar?

Accepted Answer

no

Answer

yes

Question 4

Are the following triangles similar?

Accepted Answer

yes

Answer

no

Question 5

What is the included angle between sides LE and EG?

Accepted Answer

E

Answer

L

Answer

G

Question 6

Are the triangles below similar? If so, state the

postulate/theorem that justifies your answer.

Accepted Answer

Yes, SSS

Answer

Yes, SAS

Answer

Yes, AA

Answer

Not Similar

Question 7

Are the triangles below similar? If so, state the

postulate/theorem that justifies your answer.

Accepted Answer

Yes, AA

Answer

Yes, SSS

Answer

Yes, SAS

Answer

Not Similar

Question 8

Are the triangles below similar? If so, state the

postulate/theorem that justifies your answer.

Accepted Answer

Not Similar

Answer

Yes, SSS

Answer

Yes, SAS

Answer

Yes, AA

Question 9

Are the triangles below similar? If so, state the

postulate/theorem that justifies your answer.

Accepted Answer

Yes, SAS

Answer

Yes, SSS

Answer

Yes, AA

Answer

Not Similar

Question 10

Are the triangles below similar? If so, state the

postulate/theorem that justifies your answer.

Accepted Answer

Yes, SAS

Answer

Yes, SSS

Answer

Yes, AA

Answer

Not Similar

Question 11

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

Accepted Answer

x = 12

Answer

x = 3

Answer

x = 40

Answer

x = 4

Question 12

State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.

Accepted Answer

(-5,-3)

Answer

(5,3)

Answer

(20,12)

Answer

(-20,-12)

Question 13

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

Accepted Answer

(x, y) goes to (3x, 3y)

Answer

(x, y) goes to (1/3x, 1/3y)

Answer

(x, y) goes to (-3x, -3y)

Answer

(x, y) goes to (x + 3, y + 3)

Question 14

Two objects that are the same shape but not the same size are _______.

Accepted Answer

Similar

Answer

Congruent

Answer

Vertical

Answer

Complementary

Question 15

If two figures are similar,

then the angles are _________________.

Accepted Answer

congruent

Answer

proportional

Answer

complementary

Answer

supplementary

Question 16

Sides in similar figures must be __________.

Accepted Answer

Proportional

Answer

Congruent

Answer

Opposite Reciprocals

Answer

Parallel

Dilation and Similarity

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