Similarity

Front

If the scale factor is greater than one, the new figure will be:

Back

an enlargement

Tags

CCSS.8.G.A.3

Front

What is the similarity statement for the triangle pair?

Back

ΔYZX~ΔNWE

Tags

CCSS.HSG.SRT.A.2

Front

If two figures are similar, their angles are:

Back

congruent

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

A triangle has vertices with coordinates A(2,0), B(3, -1) and C(-2,-5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of C'?

Back

(-6,-15)

Tags

CCSS.8.G.A.3

Front

If the scale factor is less than one, the new figure will be:

Back

a reduction

Tags

CCSS.8.G.A.3

Front

What does it mean for two figures to be similar?

Back

They have the same shape but not necessarily the same size.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

What is the scale factor in a dilation?

Back

The ratio of the lengths of corresponding sides of the original figure to the new figure.

Tags

CCSS.8.G.A.3

Front

How do you determine if two triangles are similar?

Back

By checking if their corresponding angles are congruent and their corresponding sides are proportional.

Tags

CCSS.HSG.SRT.A.2

Front

What is the relationship between the sides of similar triangles?

Back

The lengths of corresponding sides are in proportion.

Tags

CCSS.HSG.SRT.A.2

Front

What is a dilation in geometry?

Back

A transformation that alters the size of a figure but keeps its shape.

Tags

CCSS.8.G.A.3