Similar Figures and Missing Side Length

What are the missing sides of the triangle?

• 11 and 12

• 13 and 11

• 11 and 14

• 13 and 12

Tags

CCSS.HSG.SRT.A.2

Are these figures similar?

• yes

• no

• i don't know

• not enough information

Tags

CCSS.HSG.SRT.A.2

What are similar figures?

• Shapes that have the same shape, but not necessarily the same size.

• Compares the sizes of the parts of the scale drawing to the actual sizes on the original object. 

• They are sides that are in the same position in different plane figures.  

• They are sides that have different ratios.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Triangle ABC and XYZ are similar, ABC is the copy and XYZ is the original shape.  What is the scale factor or multiplier used to make the the smaller one larger?

• 2

• ½

• ⅖

• 5/2

Tags

CCSS.7.G.A.1

What is the scale factor of these similar shapes?

• 10

• 7

• 9

• 11

Tags

CCSS.7.G.A.1

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

• x = 9

• x = 28

• x = 7

• x = 63

Tags

CCSS.HSG.SRT.A.2

Find the missing side of the large triangle, then, find the PERIMETER of the large triangle.

• the missing side is 12, the perimeter is 24

• the missing side is 12, the perimeter is 36

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

• x = 12

• x = 3

• x = 40

• x = 4

Tags

CCSS.HSG.SRT.A.2

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

• x = 20

• x = 12

• x = 5

• x = 4

Tags

CCSS.HSG.SRT.A.2

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

• x = 12

• x = 3

• x = 40

• x = 4

Tags

CCSS.HSG.SRT.A.2