Similar Triangles & Transformations

Solve for x.

Write down your work.

• 18

• 12

• 6.75

• 85.3

Find AB. Hint: Solve for x and then find AB.

Write down your work.

• 16

• 4

• 8

• 48

How long is side x?

• 2 ft

• 3 ft

• 4 ft

• 6 ft

If the two triangles are similar, what is the measurement of x?

• 16

• 18

• 2.4

• 15

Triangle LMN and triangle L’M’N’ are similar triangles. Which proportion must be true?

The triangles are similar. Which series of transformations maps ABC onto DEF?

• translation followed by a rotation

• translation followed by a dilation

• rotation followed by a dilation

• reflection followed by a dilation

Which of the following describes the sequence of transformations shown?

• Reflection, then a rotation.

• Rotation, then a translation.

• Reflection across the x-axis, then a reflection across the y-axis.

• Translation, then a rotation.

Find the missing length indicated.

Write down your work.

• 30

• 25

• 45

• 50

Which transformation is shown?

• Translation

• Reflection over the x-axis

• Reflection over the y-axis

• 180^o rotation

Which sequence of transformations will get you from triangle ABC to its image triangle A'B'C'?

• Reflection, then a translation

• Rotation, then a dilation

• Reflection, then a rotation

• Dilation, then a reflection