Geometry Unit 4

If two figures are similar, the corresponding sides are ______________.

• equal

• congruent

• proportional

• none of these

If two figures are similar, the corresponding angles are...

• Congruent

• Supplementary

• Proportional

• Different

If a line segment has a length of 12 units and after a dilation the image length is 4 units, what was the scale factor?

• 3

• 1/3

• 8

• 16

△ABC is dilated by a factor of 2 from the origin to form △A'B'C'. If the slope of line segment AB is 1/3, then what is the slope line segment A'B'?

Point A was dilated by a scale factor of 3 to form point A'. Where was the center of dilation?

△ABC is dilated from point D by a factor of 1/3 to make △A'B'C'. What is the area of △A'B'C'?

• 2

• 6

• 9

• 54

What is the perimeter of △DEF?

What is the area of △DEF?

How many lines of reflection does this image have?

• 0

• 1

• 2

• 4

Identify the angles of rotation that maps the image to itself.

• multiples of 72°

• multiples of 180°

• multiples of 144°

• multiples of 45°