Similar Figures

Mrs. Ashley used similar triangles to make a design.  Which statement about the triangles in the design must be true?

• They are the same size and shape.
• They are the same size but different shapes.
• They have corresponding angles that are congruent.
• They have corresponding sides that are congruent.

Tags

CCSS.8.G.A.4

CCSS.8.G.A.5

Pentagon JKLMN is similar to pentagon VWXYZ.
What is the measurement of angle X?

• 30 degrees
• 60 degrees
• 150 degrees
• 120 degrees

Tags

CCSS.7.G.A.1

CCSS.7.G.B.5

The two parallelograms above are similar.
What is the length in inches of line segment PQ?

• 40 in.
• 34 in.
• 38 in.
• 14 in.

Tags

CCSS.8.G.A.4

Parallelogram PQRS is similar to parallelogram WXYZ.
What is the length of line segment YZ?

• 3 units
• 11.6 units
• 5 units
• 4.5 units

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Triangle ABC is similar to triangle XYZ.  What is the length of line segment BC?

• 5 cm
• 7.5 cm
• 8 cm
• 9 cm

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Dilations only enlarge figures.

• True
• False

Tags

CCSS.8.G.A.3

A scale factor of 1/2 reduces a figure.

• True
• False

Tags

CCSS.8.G.A.3

The "image" is the shape before the dilation.

• True
• False

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.

• reduction
• enlargement
• scale factor
• center of dilation

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

A dilation can produce a smaller figure also known as a ______

• reduction
• enlargement
• scale factor
• center of dilation

Tags

CCSS.8.G.A.3