Transformations, Similarity and Congruence Review

Which transformation(s) create(s) congruent figures?

• Dilation
• Translation, Reflection, Rotation
• Dilation and Translation
• Dilation and Reflection

Which transformation(s) create(s) similar figures?

• Dilation
• Translation, Reflection, and Rotation
• Translation and Reflection
• Reflection and Rotation

When talking about figures on a coordinate plane, what does "congruent" mean?

• Same shape, same size
• Same shape, size changes
• Different shape, different size
• Same shape, different size

When talking about figures on a coordinate plane, what does "similar" mean?

• Same shape, side lengths are proportional and angle measure are the same
• Same shape, side length are different and angles are different
• Different shape, different sizes
• Shapes sort of the same, but sides and angles are different

Fill in the blank: A dilation creates ___________ figures.

• Congruent
• Similar

Fill in the blank: Translations create __________ figures.

• Similar
• Congruent

Fill in the blank: Reflections create __________ figures.

• Similar
• Congruent

Fill in the blank: Rotations create __________ figures.

• Similar
• Congruent

The side length of a square on a coordinate plane is 5 units.  If the square undergoes a rotation 90 degrees clockwise, what will be the side length of the image of the square?

• 1 unit
• 5 units
• 10 units
• 20 units

An equilateral triangle has 3 equal sides and 3 equal angles. If an equilateral triangle was reflected over the y-axis, what will be the measure of each angle of the image?

• 60 degrees
• 90 degrees
• 120 degrees
• 180 degrees