Similar Figures Dilations

Which side length corresponds with EF?

• ML

• LM

• OL

• EH

Tags

CCSS.HSG.SRT.A.2

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

• ½

• ¼

• 4

• 2

Tags

CCSS.8.G.A.3

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

• measure; shapes

• sizes; shapes

• value; measures

• shape; sizes

Tags

CCSS.8.G.A.3

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?

• 72 squared feet

• 18 squared feet

• 36 squared feet

• 54 squared feet

Tags

CCSS.7.G.A.1

Eric is building a scale model of a helicopter at 1/72. If the height of the model is 2 (2/3), what is the actual height of the helicopter?

• 16 feet

• 27 feet

• 48 feet

• 192 feet

Tags

CCSS.7.G.A.1

Suppose that triangle JKL is similar to triangle PQR. Which angle correspond with angle L?

• angle J

• angle K

• angle P

• angle Q

• angle R

Tags

CCSS.HSG.SRT.A.2

Triangle ABC is dilated to produce triangle A'B'C' with scale factor 3/4 . Which describes the relationship between the two triangles?

• Triangle A'B'C' is an enlargement of triangle ABC

• Triangle A'B'C' is a reduction of triangle ABC

• Triangle A'B'C' is a mirror image of triangle ABC

Tags

CCSS.8.G.A.3

Which must be true of a scale factor of a dilation if the image is smaller that the pre-image?

• The scale factor is positive

• The scale factor is greater than 1

• The scale factor is between 0 and 1

• The scale factor is negative

Tags

CCSS.8.G.A.3

Find missing side

• 5

• 7

• 9

• 11

Tags

CCSS.HSG.SRT.B.5

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

• x = 20

• x = 12

• x = 5

• x = 4

Tags

CCSS.HSG.SRT.A.2