Geometric Transformations

Which is NOT an Isometry?

• Relection

• Dilation

• Rotation

• Translation

Identify the smallest angle of rotation that maps the image to itself.

• 90°

• 180°

• 45°

• 60°

A rigid motion creates figures that are ____________.

• congruent

• different sizes

• similar

• larger

Which transformation is NOT a rigid motion (the size changes)?

• reflection

• rotation

• dilation

• translation

Which transformation will map the right triangle onto itself?

• 90 degree rotation

• 180 degree rotation

• 270 degree rotation

• none of the above choices

Which of the following transformation will map the regular pentagon onto itself?

• x axis reflection

• y axis reflection

• 90 degree rotation

• 180 degree rotation

Which of the following transformation will map the trapezoid onto itself?

• x axis reflection

• reflection across green line

• rotation 90 degrees about (2,-1)

• reflection across the blue line

Which transformation will map the parallelogram onto itself?

• reflection x axis

• reflection y axis

• refection across the green line

• none of these above

Select each answer choice that will map the regular polygon onto itself?

• 36 degree rotation

• 90 degree rotation

• 180 degree rotation

• 252 degree rotation

• 270 degree rotation

Select each answer choice that will map the regular polygon onto itself

• x axis reflection

• y axis reflection

• reflection across the green line

• none of thee above