practice quiz -dilations and similar triangles

A dilation produces a similar figure

• True
• False

Tags

CCSS.8.G.A.3

When the scale factor of a dilation is less than one, the dilation is a reduction.

• True
• False

Tags

CCSS.8.G.A.3

When a dilation has a scale factor greater than one, the dilation is an enlargement.

• True
• False

Tags

CCSS.8.G.A.3

State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.

• (5,3)
• (20,12)
• (-20,-12)
• (-5,-3)

Choose the correct scale factor:

• 2.5

• 1.5

• 3.5

• 4

Tags

CCSS.7.G.A.1

Similar figures have the same ______ but different ______. 

• measure; shapes
• sizes; shapes
• value; measures
• shape; sizes

A dilation always produces a congruent figure.

• True
• False

Tags

CCSS.8.G.A.3

A dilation always produces a similar figure. Similar figures have the same ______ but different ______. 

• measure; shapes
• sizes; shapes
• value; measures
• shape; sizes

Tags

CCSS.8.G.A.3

What similarity theorem would prove that these triangles are similar?

• SAS∼
• SSS∼
• AA∼
• Side Splitter

Tags

CCSS.HSG.SRT.B.5

Are the triangles similar?

• Yes
• No

Tags

CCSS.HSG.SRT.A.2