Similar Shapes, Scale Factors, and Missing Side Lengths - 6

Find the length of x

• x = 1
• x = 2
• x = 7
• x = 1/7

Tags

CCSS.HSG.SRT.A.2

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

• 20
• 25
• 100
• 40

Tags

CCSS.HSG.SRT.A.2

Find the missing side length.

• 9
• 6
• 8
• 7

Tags

CCSS.HSG.SRT.A.2

What is the scale factor of these similar shapes?

• 10
• 7
• 9
• 11

Tags

CCSS.7.G.A.1

What are similar shapes?

• Are 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.7.RP.A.2

CCSS.7.RP.A.3

What is the scale factor if the triangle on the left is the original?

• 2
• 3/2
• 2/3
• 1/2

Tags

CCSS.7.G.A.1

What is the scale factor from ABCD to MNOP?

• 2/3
• 3/2
• 2
• 3

Tags

CCSS.7.G.A.1

• 0.25
• 0.5
• 2
• 1/2

Tags

CCSS.7.G.A.1

Which triangle is similar to the above triangle ?

• A
• B
• C
• D

Tags

CCSS.7.RP.A.2A

The two rectangles are scale drawings. What is the measurement of x?

• 21
• 1.25
• 20
• 4

Tags

CCSS.7.G.A.1