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Jan. 8 Ch.4 Test Review
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Jan. 8 Ch.4 Test Review

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  • 1. Test Review Scale and Similarity
  • 2. How many shapes are not similar?
  • 3. The actual length of the eland is 2.6 m, what scale factor was used to reduce it to the size of the picture?? 4cm
  • 4. An ant has a length of 2 mm. Lauren uses a scale factor of 12 to draw the ant. a) Is the drawing an enlargement or reduction? b) What will be the length of the ant in the drawing?
  • 5. Which of the triangles is similar?? 7.5 6 4.5 b) 9 a) 3 11 4 5 15
  • 6. Use the information provided to find the height of the wall. 1.7 m 3m 10m
  • 7. A baseball diamond has the properties as stated below. If you use a scale of 250, what is the total distance from the outside corner to the opposite ouside corner? 0.15m 0.04m
  • 8. Use a scale factor of 0.5 to reduce this image
  • 9. Are the two triangles similar?? Show all work. A D 2.5 2.9 8.7 7.5 B 1.5 C 4.5 E F
  • 10. The two trapezoids are similar, find x, y and z 2.3 7.36 x 4 4 z 3.5 y
  • 11. A pool has the dimensions of 6 m by 9 m. Draw a scale diagram of it if it is reduced by a scale factor of 1 . 300
  • 12. One question similar to the river crossing question involving similar triangles One question similar to the cattle pasture question from assignment 4.4