Dilations and Similarity

Front

What is the height of the tree? Options: 20, 15, 30, 10

Back

20

Front

If two figures are similar, their angles are ______.

Back

congruent

Front

If two figures are similar, the corresponding sides are ____________.

Back

proportional

Front

What happens to a figure when it is dilated by a scale factor that is a positive integer?

Back

It becomes larger.

Front

What happens to a figure when it is dilated by a scale factor that is a fraction less than 1?

Back

It becomes smaller.

Front

What is the scale factor of Jimmy's land (150 ft by 100 ft) compared to his sister's land (75 ft by 50 ft)?

Back

1/2 the size

Front

What are the dimensions of Emily's mural if it takes up one-fifth of Susie's mural (10 ft by 12 ft)? Options: 50 feet by 60 feet, 5 feet by 6 feet, 2 feet by 2.4 feet, 20 feet by 24 feet.

Back

2 feet by 2.4 feet

Front

What is the algebraic rule for the dilated image?

Back

(x, y) → (3x, 3y)

Front

Choose the correct scale factor: Options: 2, 3, 1/3, 1/2

Back

2

Front

Which of the following rules represents a dilation? Options: (x, y) → (x, 3y), (x, y) → (3x, 3y), (x, y) → (x - 4, y - 3), (x, y) → (0.5x, 0.4y)

Back

(x, y) → (3x, 3y)