Dilations and Similarities

If possible, what similarity theorem would prove that these triangles are similar?

• AA

• SAS

• SSS

• Not Similar

Tags

CCSS.HSG.SRT.B.5

For the pair of similar figures, find the length of each side marked with a variable.

• x = 7.2 cm; y = 13.4 cm

• x = 12cm; y = 15 cm

• x = 12.5 cm; y = 9.6 cm

• x = 15 cm; y = 12 cm

Tags

CCSS.HSG.SRT.A.2

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Tags

CCSS.7.RP.A.2B

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

Find missing side

• 5

• 7

• 9

• 11

Tags

CCSS.HSG.SRT.A.2

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?

• 144 feet

• 72 feet

• 36 feet

Tags

CCSS.HSG.SRT.B.5

If the scale factor is less than one, the new figure will be

• an enlargement

• a reduction

• a scale factor

• bigger

Tags

CCSS.8.G.A.3

What is the scale factor?

• 2

• 3/2

• 2/3

• 1/2

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

All corresponding angles are congruent in similar figures.

• True

• False

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What is the scale factor of the following similar polygons from small to big?

• 9/20

• 3/4

• 3/5

• 1/2

Tags

CCSS.7.G.A.1