Similarity

Similar figures have the same ______ but are different ______. 

• measure; shapes

• sizes; shapes

• value; measures

• shape; sizes

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

All corresponding sides of similar figures are proportional (same ratio).

• True

• False

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

SSS

AA

SAS

None

• SSS

• AA

• SAS

• None

Tags

CCSS.HSG.SRT.B.5

• SSS
• SAS
• AA
• None

Tags

CCSS.HSG.SRT.B.5

• 4
• 24, 28, 36
• 1, 2, 3
• 6, 7, 9

Tags

CCSS.7.G.A.1

• SSS
• SAS
• AA
• None

Tags

CCSS.HSG.SRT.B.5

Enlargement or reduction?  Find the scale factor!

• It's an enlargement; the scale factor is 3.

• It's a reduction; the scale factor is 1/3.

• It's a reduction; the scale factor is 1/2.

• It's an enlargement; the scale factor is 2. 

Tags

CCSS.7.G.A.1

What is the scale factor from ΔABC to ΔDEF?

• 1/2

• 7/3

• 2

• 10/3

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

How do these triangles appear to be similar?
(Hint: Look for non-labeled parts!)

• AA

• SAS

• SSS

• Not Similar

Tags

CCSS.HSG.SRT.A.2

How do these triangles appear to be similar?

• AA

• SAS

• SSS

• Not Similar

Tags

CCSS.HSG.SRT.B.5