Similar polygons review

The triangles are similar, solve for the question mark.

• 8
• 12.5
• 18
• 24

The triangles are similar by...

• SAS

• AA

• Not Similar

• SSS

The triangles are similar by...

• SAS

• AA

• Not Similar

• SSS

Are the triangles similar? If so, what similarity shortcut is used? Show all work.

• Similar.  SAS
• Similar.  AA
• Similar. SSS
• Not Similar

Find missing side

• 5
• 7
• 9
• 11

Tags

CCSS.8.G.B.7

What is the scale factor from the smaller triangle to the larger triangle?

• 2

• 1.5

• 0.666666666667

• 0.5

The figures are similar. Find the scale factor of the smaller figure to the larger figure.

• 0.4

• 1.6666666666667

• 0.6

• 0.33333333333333

What is the scale factor from ΔDEF to ΔABC?

• 0.5

• 0.3333333333333333333333

• 2

• 3.3333333333333333333333

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW
• ΔXZY~ΔNWE
• ΔZYX~ΔENW
• ΔYZX~ΔNWE

The measures of the angles in a triangle are in the extended ratio of 4:3:2.  What is the measure of the largest angle?

• 20 degrees
• 60 degrees
• 90 degrees
• 80 degrees