8.3A Similar Figures

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

Tags

CCSS.8.G.A.3

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Which proportion must be true?

• F

• G

• H

• J

Which proportion must be true?

• A

• B

• C

• D

Solve for X

• X = 5
• X = 2
• X = 3
• X = 4

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.G.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Solve for X

• X = 36
• X = 18
• X = 16
• X = 216

Tags

CCSS.8.EE.C.7

Solve for X

• X = 40
• X = 54
• X = 45
• X = 42

Solve for X

• X = 8
• X = 32
• X = 17
• X = 7

What is the formula for scale factor?

• $\frac{new}{old}$

• $\frac{old}{new}$

Tags

CCSS.8.EE.B.6

CCSS.8.G.A.3

CCSS.8.G.A.4

What is the scale factor from triangle ABC to triangle DEF?

• 1/2

• 7/3

• 2

• 10/3