Transformations Similar Figures Scale Factors

What are two things you must have in order to dilate a figure?

• a scale factor & a line

• a line & magnitude

• a point & a scale factor

• a line & a point

Tags

CCSS.8.G.A.3

Julie says this figure was dilated incorrectly. Is she correct?

• YES, this looks bad.

• NO, Julie needs to study.

Tags

CCSS.8.G.A.3

Determine whether the two figures are similar by using a sequence of similarity transformations.

• YES

• NO

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

∆DEF is the pre-image and ∆UVW is the image. ∆DEF and ∆UVW are similar. Given \frac{DE}{UV}=\frac{VW}{EF}, determine if this proportion is true or false.

• TRUE

• FALSE

Tags

CCSS.HSG.SRT.A.2

Which similarity statement CAN be used to determine if the two figures are similar?

Tags

CCSS.HSG.SRT.A.2

Determine if the two triangles are similar. If so, which theorem can be used?

• Yes; SSS

• Yes; SAS

• Yes; AA

• Cannot be determined.

Tags

CCSS.HSG.SRT.B.5

Determine if the two triangles are similar. If so, which theorem can be used?

• Yes; SSS

• Yes; SAS

• Yes; AA

• Cannot be determined.

Tags

CCSS.HSG.SRT.B.5

Determine if the two triangles are similar. If so, which theorem can be used?

• Yes; SSS

• Yes; SAS

• Yes; AA

• Cannot be determined.

Tags

CCSS.HSG.SRT.B.5

Given that ΔBDC is the PRE-IMAGE and ΔBDC is the IMAGE, what scale factor was used to prove these are similar by the SSS Similarity Theorem?

• 3.3

• 2.5

• 0.3

• 0.4

Tags

CCSS.HSG.SRT.A.2

• Correct, the corresponding sides do not have the same scale factors.

• Incorrect, the student paired the wrong sides together in their ratios.

Tags

CCSS.HSG.SRT.A.2