Staar Dilations

Trapezoid ABCD has an area of 12.4 square units. Trapezoid ABCD is dilated using a scale factor of 3 to create trapezoid A’B’C’D’. What is the area of trapezoid A’B’C’D’ in square units?

• 153.76 square units

• 111.6 square units

• 37.2 square units

• 21.4 square units

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CCSS.7.G.A.1

The pre-image, MN)P, has vertices M(2,1.5), N(2,4), O(5,4), P(5,1.5). A transformation is applied to create the image, M'N,O,P,, which has vertices M'(8, 6),N'(8,16),O,(20,16), p,(20.6). Which rule represents this transformation?

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CCSS.HSG.CO.A.2

Figure I and Figure II are similar trapezoids. Which proportion is not true?

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CCSS.HSG.SRT.A.2

Triangle ABC was dilated with the origin as the center of dilation to create triangle A,B,C. Which rule best represents the dilation that was applied to Triangle ABC to create triangle A'B'C'?

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Tags

CCSS.HSG.CO.A.2