Scale Factor Similar Triangles

Name the triangle similar to triangle BCA.

• Triangle EFD

• Triangle FDE

• Triangle DEF

• Triangle EAD

Tags

CCSS.HSG.SRT.A.2

If the linear scale factor is 4, what is the area scale factor?

• 2

• 8

• 16

• 25

Tags

CCSS.7.G.A.1

Two shapes are ___________ if their corresponding sides are proportional and their corresponding angles are congruent.

• Similar

• Ratio

• Scale factor

• Not similar

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Find the height of the tree.

• 8 ft

• 12 ft

• 13 ft

• 15 ft

Tags

CCSS.HSG.SRT.B.5

The perimeter of PQR is 21 m.
What is the perimeter of XYZ?

• 21 m

• 35 m

• 90 m

• 126 m

• 756 m

A dilation always produces a similar figure. Similar figures have the same ______ but different ______. 

• measure; shapes

• sizes; shapes

• value; measures

• shape; sizes

Tags

CCSS.8.G.A.3

Given the two similar triangles below, complete the similarity statement.

• ΔCDE ~ ΔVWU

• ΔECD ~ ΔVUW

• ΔCED ~ ΔWVU

• ΔDEC ~ ΔVWU

Tags

CCSS.HSG.SRT.A.2

Two objects that are the same shape but not the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Sides in similar figures must be proportional.  

• True

• False 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Which triangles are similar to triangle A?

• B

• C

• Both

• None

Tags

CCSS.HSG.SRT.A.2