Similar Figures and Dilations

Front

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image for A(3,3) B(6,6) C(9,3)?

Back

A'(9,9) B'(18,18) C'(27,9)

Front

Find y.

Back

12

Front

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? Options: 144 feet, 72 feet, 36 feet

Back

72 feet

Front

Which side length corresponds with EF? Options: ML, LM, OL, EH

Back

LM

Front

Find the height of the tree. Options: 8 ft, 12 ft, 13 ft, 15 ft

Back

15 ft

Front

The point (8, 12) was dilated to become point (2, 3). What was the scale factor?

Back

¼

Front

A dilation always produces a similar figure. Similar figures have the same ______ but different ______.

Back

shape; sizes

Front

Determine the correct algebraic representation of the similar figures:

(x, y) -> (.5x, .5y)

,

(x, y) -> (2x, 2y)

,

(x, y) -> (x + 2, y + 2)

,

(x, y) -> (x - .5, y - .5)

Back

(x, y) -> (2x, 2y)

Front

Triangle PQR is similar to triangle DEF shown. Which describes the relationship between the corresponding sides of the two triangles?

Back

Front

Jane's garden is a 2 ft x 3 ft rectangle. If she increases it by a scale factor of 3, what is the new area of her garden?

Back

54 squared feet