Similarity of Triangles Scale Factor

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

• BC

• AC

• MD

• MC

Tags

CCSS.HSG.SRT.B.4

Find y.

• 144

• 18

• 72

• 12

Tags

CCSS.HSG.CO.C.9

To measure the distance across a pond, a surveyor locates points A, B, C, D, and E as shown.  Find the length of AB to the nearest meter.

• 10

• 12

• 15

• 18

Tags

CCSS.HSG.SRT.B.4

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

Are the triangles similar?

• Yes

• No

Tags

CCSS.HSG.SRT.A.2

Find the missing side using proportions.

• a

• b

• c

• d

Tags

CCSS.HSG.SRT.A.2

Find the missing side using proportions.

• a

• b

• c

• d

Tags

CCSS.HSG.SRT.A.2

Tell whether the triangles are similar or not.

• a

• b

Tags

CCSS.HSG.SRT.A.2

Tell whether the triangles are similar or not.

• a

• b

Tags

CCSS.HSG.SRT.A.2