Similarity Ch 8

Are the triangles similar?

• Yes, SSS~

• Yes, SAS~

• Yes, AA~

• NO

Tags

CCSS.HSG.SRT.B.5

Figure A is similar to Figure B. Figure A has a perimeter of 50 inches and one side length is 5 inches. Figure B has a perimeter of 72 inches. Find the corresponding side length.

• 3.47

• 7.2

• 6

• 6.8

What is an enlargement in terms of dilation?

• A dilation in which the scale factor is less than 1

• A dilation in which the scale factor is equal to 1

• A dilation in which the scale factor is greater than 1

• A dilation in which the scale factor is negative

Tags

CCSS.HSG.SRT.A.1

What are similar figures?

• Figures that have the same size and shape

• Figures that have the same shape but not necessarily the same size

• Figures that have the same color

• Figures that have the same perimeter

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

What is the scale factor in a dilation?

• The angle of rotation

• The distance between two points

• The ratio of the lengths of the corresponding sides of the image and the preimage

• The area of the figure

Tags

CCSS.HSG.SRT.A.1

What is a reduction in terms of dilation?

• A dilation in which the scale factor is greater than 1

• A dilation in which the scale factor is equal to 1

• A dilation in which the scale factor is greater than 0 and less than 1

• A dilation in which the scale factor is negative

Tags

CCSS.HSG.SRT.A.1

The triangles are similar by...

• SAS

• AA

• ASA

• SSS

Tags

CCSS.HSG.SRT.B.5

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

Tags

CCSS.HSG.SRT.A.2

Find x

• 21

• 27/7

• 13

• 18

Tags

CCSS.6.EE.B.7

How do these triangles appear to be similar?

• AA

• SAS

• SSS

• Not Similar

Tags

CCSS.HSG.SRT.B.5