Similar Triangle Proportions and Parts of Similar Triangles

How do these triangles appear to be similar?
(Hint: Look for non-labeled parts!)

• AA

• SAS

• SSS

• Not Similar

Tags

CCSS.HSG.SRT.B.5

Determine whether the triangles are similar.

• SSS~

• AA~

• SAS~

• not similar

Tags

CCSS.HSG.SRT.B.5

Are the triangles similar?

• Yes

• No

Tags

CCSS.HSG.SRT.A.2

Let triangle XYZ be the dilated image of triangle ABC with a scale factor of k = 3. Which of the following is the correct center of dilation?

• (0, 0)

• (4, 1)

• (-5, 5)

• (1, 4)

Tags

CCSS.HSG.CO.A.2

Given triangle ABC is a dilated image of triangle JKL, the pre-image, with a scale factor of 4, which of the following proportions are true? Select all that apply.

Tags

CCSS.7.G.A.1

Complete the following transformation if Triangle ABC is transformed to make similar Triangle DEF. Translate A to D. Rotate around Point D until D, E, and _____ are co-linear. Dilate by ______ with center D.

• Point B, Scale Factor EF/BC

• Point B, Scale Factor BC/EF

• Point C, Scale Factor EF/BC

• Point C, Scale Factor BC/EF

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

A scale factor of less than one means

• that the image will be larger than the pre-image.

• That the image will be the same as the pre-image.

• That you need to subtract that amount off  of each side.

• That the image will be a reduction of the pre-image.

Tags

CCSS.8.G.A.3

Find y.

• 144

• 18

• 72

• 12

Tags

CCSS.HSG.CO.C.9

Solve for b 

• 8

• 17/12

• 4/3

• 1/8

Tags

CCSS.HSA.REI.A.2

Determine if the triangles are similar. Justify.

• Yes, by SSS.

• Yes, by SAS. Scale Factor is 1:2.

• Yes, by SAS. Scale Factor is 3:1.

• No, not similar.

Tags

CCSS.HSG.SRT.B.5