Unit 3 Lessons 4&5 Dilation and Scale Factor Extra Practice

What is the scale factor if Triangle DEF is the image of a dilation of triangle ABC?

Tags

CCSS.8.G.A.3

Segment EF is dilated. Select all the segments that are the possible image of the dilation.

• AB

• DK

• GH

• IJ

• LM

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CCSS.8.G.A.3

Segment GH is dilated. Select all the segments that are the possible image of the dilation.

• AB

• DK

• EF

• IJ

• LM

Tags

CCSS.8.G.A.3

Is Triangle ABC the image of the dilation of Triangle DEF?

• Yes, because the scale factor is 2.

• Yes, because the scale factor is 0.5.

• Yes, because the scale factor is 0.6

• Yes, because the scale factor is 1.67.

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CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

Triangle DEF is the image of the dilation of Triangle ABC. What is the length of DF (value of x)?

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CCSS.8.G.A.3

Triangle DEF is the image of the dilation of Triangle ABC. If the measure of Angle A is 77 degrees, what is the measure of Angle D?

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CCSS.8.G.A.3

Triangle NOP is dilated using Center N to create Triangle N'O'P'. What is the scale factor of the dilation?

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CCSS.8.G.A.3

Triangle NOP is dilated using Center N to create Triangle N'O'P'. What is the length of O'P' (value of y)?

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CCSS.8.G.A.3

Triangle NOP is dilated using Center N to create Triangle N'O'P'. If the measure of Angle N'O'P' is 41 degrees, what is the measure of Angle NOP?

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CCSS.8.G.A.3

Figure PQRST is the image of the dilation of Figure ABCDE. What is the scale factor?

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CCSS.8.G.A.3