CCSS.Math.Content.8.G.A.4

Are these two triangles similar?  

• Yes, by the SAS postulate
• Yes, by the SSS postulate 
• Yes, by the AA postulate
• No, they are not similar 

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CCSS.Math.Content.8.G.A.4

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

• True
• False

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CCSS.Math.Content.8.G.A.4

A fence post that is 2 meters tall casts a shadow 5 meters long.  At the same time a tree casts a shadow 108 meters.  How tall is the tree?

• 33.2 meters
• 332 meters
• 43.2 meters
• 432 meters

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CCSS.Math.Content.8.G.A.4

 A dilation can produce a larger figure or a(n)______

• reduction
• enlargement
• scale factor
• center of dilation

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CCSS.Math.Content.8.G.A.4

Does the image show a dilation?

• Yes
• No

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CCSS.Math.Content.8.G.A.4

This pictures shows what?

• reflection over the x-axis
• nothing important 
• reflection over the y-coordinate
• reflection over the y-axis

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CCSS.Math.Content.8.G.A.4

What scale factor was used to produce the image?

• 2
• -2
• ¹/₂
• 1

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CCSS.Math.Content.8.G.A.4

Describe the transformation in the image

• Translation

• Reflection

• Rotation

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CCSS.Math.Content.8.G.A.2

CCSS.Math.Content.8.G.A.4

A dilation produces a similar figure

• True
• False

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CCSS.Math.Content.8.G.A.4

What is the scale factor?

• 1

• 2

• 1/2

• -2

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CCSS.Math.Content.8.G.A.4