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Unit 5 Quiz Review

Unit 5 Quiz Review. Dilations And Similar Figures. 1 – Dilate the figure by a scale factor of 200%. Original Points A (0,4) B (-6,5) C (-8,5) D (-12, 4). New Points A’ ( ) B’ ( ) C’ ( ) D’ ( ).

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Unit 5 Quiz Review

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  1. Unit 5 Quiz Review Dilations And Similar Figures

  2. 1 – Dilate the figure by a scale factor of 200% Original Points A (0,4) B (-6,5) C (-8,5) D (-12, 4) New Points A’ ( ) B’ ( ) C’ ( ) D’ ( )

  3. 2- What is the scale factor of the reduction of from X Q 2 in 4 in R 1.5 in S Y 3 in Z

  4. 3- If I dilate a figure by 175% the new figure will be _______ than the original figure. This is called a(n) _______________.

  5. 4- If I dilate a figure by 75% the new figure will be _________ than the original figure. This is called a(n) _______________.

  6. 5- Dilate the point (3,7) by a scale factor of ½. Write the scale factor as a decimal and a percent.Write if the dilated figure will be bigger or smaller (in proper mathematical terms)

  7. L P 5 m. 8 m. 4 m. Q R N M 3 m. 6. In the diagram below, what is the ratio of the area of Triangle PQR to the area of Triangle LMN? 5 m.

  8. 7. If the sides of two similar rectangles have a ratio of , what is the ratio of their areas?

  9. 8. If the ratio of two areas of two similar triangles is 1:16, what is the ratio of the sides of the similar triangles?

  10. 9- Given the figures are similar, if the area of pentagon A is 12 square inches, what is the area of pentagon B? 2” 4” 2” 4”

  11. 10- What is the scale factor of the enlargement? 36” 30” 24” 20” 10” 15”

  12. 11-What is the length of the missing side if the ratio of the areas is 9/16? 6 in x in

  13. 12- What is the height of the tree? X ft. 4 ft. Boy’s shadow: 10 ft. Tree’s shadow: 50 ft.

  14. 13- What relationship do you see between the ratio of sides of two similar rectangles and the ratio of the areas of two similar rectangles?

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