Similarity

Determine whether the triangles are similar. Justify your answer.

• Yes- SSS

• Yes- SAS

• Yes- AA

• No- The shortcuts do not work

Tags

CCSS.HSG.SRT.B.5

△ABC ∼ △DEF

Find the length of DF to the nearest tenth.

• 12cm

• 9.3cm

• 10cm

• 8cm

Tags

CCSS.HSG.SRT.A.2

△ABC ∼ △DEF

Find the length of 𝐸𝑌 to the nearest tenth

• 5cm

• 6cm

• 8cm

• 5.3cm

Tags

CCSS.HSG.SRT.A.2

Polygon ABCD is similar to polygon PQRS. Which proportion must be true?

Tags

CCSS.HSG.SRT.A.2

Find the value of x

(Hint: Look at the congruent angles...what is CD?)

• 2

• 4.8

• 6

• 6.4

Tags

CCSS.HSG.CO.C.9

Rectangle ABCD ~ rectangle EFGH, the perimeter of ABCD is 54 centimeters and the perimeter of EFGH is 36 centimeters. What is the scale factor of ABCD to EFGH?

Tags

CCSS.7.G.A.1

Determine whether the triangles are similar. Justify your answer.

• Yes- SAS

• Yes- AA

• NO- The shortcuts do not work

• Yes- SSS

Tags

CCSS.HSG.SRT.B.5

Determine whether MN║KL.

• Yes- the pieces of each side are proportional

• No- the segments do not have arrows showing parallel

Tags

CCSS.HSG.SRT.B.4

Find DE:

• 7

• 10

• 12

• 9

Tags

CCSS.HSG.SRT.B.4

Determine if the dilation from A and B

is an enlargement or reduction. Then

find the scale factor of the dilation.

Tags

CCSS.8.G.A.3