Similar shapes

Solve for X.

• 2 ft
• 3 ft
• 4 ft
• 6 ft

Tags

CCSS.HSA.CED.A.1

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

What is a scale factor?

• Shapes that have the same shape, but not necessarily the same size.
• A ratio/number that compares the sizes of the parts of the scale drawings.
• They are sides that are in the same position in different plane figures.  
• The length of a side of a similar figure.

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

• 6

• 4

• 12

• 16

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

• 12

• 14

• 16

• 18

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

• 15

• 18

• 20

• 25

Tags

CCSS.7.G.A.1

CCSS.7.G.B.6

CCSS.7.RP.A.2

CCSS.7.RP.A.3

• 4

• 5

• 6

• 8

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

Find x.

• 6.6

• 4.5

• 5.4

• 7.2

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

• 4

• 6

• 8

• 10

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

CCSS.HSG.SRT.D.11

Triangle ABC and XYZ are similar.  Use your knowledge of scale factor to find the length of X.

• 20
• 25
• 100
• 40

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

Find the value of x.

• x = 4.5
• x = 9
• x = 30
• x = 3

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4