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Unit 5

Unit 5 . Bingo review. QUESTION 1. A transformation that produces a similar figure of a different size is called a _____________________. cover space c. Dilation. QUESTION 2. What do dilations always produce?. cover space w. Similar figures. QUESTION 3.

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Unit 5

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  1. Unit 5 Bingo review

  2. QUESTION 1 A transformation that produces a similar figure of a different size is called a _____________________

  3. cover space c Dilation

  4. QUESTION 2 What do dilations always produce?

  5. cover space w Similar figures

  6. QUESTION 3 If a figure is dilated with a scale factor greater than one (or 100%) the figure will be ___________

  7. cover space x Enlarged

  8. QUESTION 4 Which of the following scale factors will produce a dilated figure that is smaller than the original? • 1.6 • 137% • 47% • 5:1

  9. cover space t c. 47%

  10. Question 5 • Cheryl wants to dilate a photograph that has a width of 17.5 inches and a length of 24.5 inches to fit into a frame that is 7 inches in length. What will be the width of the new photograph?

  11. cover space j 5 inches

  12. Question 6 • Stacey decides to dilate the area of her rectangular garden. The length of her original garden is 10 feet and the area is 45 square feet. The length of the new garden will be 15 feet. What is the area of the new garden?

  13. cover space r 101.25 ft²

  14. Question 7 Find the value of x if triangle ABC ~ triangle JPH A J x 15 H P 12 C B 66

  15. cover space q • X = 82.5

  16. Question 8 • Determine the scale factor. 11 in 7 in

  17. cover space m 11/ 7 in

  18. Question 9 What will the new perimeter be if a rectangle with a perimeter of 12 cm is dilated by 700%?

  19. cover space s • 84 cm

  20. Question 10 • The sides of two regular hexagons have a ratio of 2:5. If the perimeter of the larger hexagon is 45 cm, what is the perimeter of the smaller hexagon?

  21. cover space l • 18 cm

  22. Question 11 • A vertex of a rectangle on the coordinate plane is (-4, -2). The rectangle is dilated and the new coordinate of the vertex is • (-1, -1/2). What was the scale factor of the dilation?

  23. cover space a 1/4

  24. Question 12 If a square that has a side length of 5 ft is dilated by 3, what is the perimeter of the new dilated square?

  25. cover space g 60 ft.

  26. Question 13 • If a rectangle with an area of 7 inches² is dilated by a scale factor of 5, what is the area of the new dilated rectangle?

  27. cover space p 175 in²

  28. Question 14 If a rectangle that is 3 meters long and 2 meters wide is dilated with a scale factor of 4:1, what is the area of the new dilated rectangle?

  29. cover space e • 96 meters²

  30. Question 15 • If a triangle has a vertex at (9, 13), what will the new coordinates be after a dilation of 35%?

  31. cover space z • (3.15, 4.55)

  32. Question 16 Given the ordered pair (12, 48), what would be the new ordered pair with a scale factor of 1/6?

  33. cover space v (2, 8)

  34. Question 17 • Given the ordered pair (15, 23), what would be the new ordered pair with a scale factor of 0.7?

  35. cover space d • (10.5, 16.1)

  36. Question 18 Given the following ordered pairs J (3,2) and J’ (24, 16); what is the scale factor used in this dilation

  37. cover space b • Scale factor = 8

  38. Question 19 • Given the ordered pairs H (45, 27) and H’ (5, 3); what is the scale factor used in this dilation?

  39. cover space n • Scale factor = 1/9

  40. Question 20 A flagpole is 28 ft tall and has a shadow of 20 ft. How tall is a nearby tree if its shadow is 30 ft?

  41. cover space i 42 feet

  42. Question 21 Brooke is 5 ft tall. She and her class are walking through a wooded area looking for a tree that is 50 ft. tall. If the length of Brooke’s shadow is 2 ft, how will the students know when they have found a 50 ft tree?

  43. cover space h When they find a tree’s shadow that measures 20 feet.

  44. Question 22 A shrub is 1.5 meters tall and casts a shadow 3.5 meters long. At the same time, a radio tower casts a shadow 98 meters long. How tall is the radio tower?

  45. cover space o • 42 meters

  46. Question 23 Kim is 56 inches tall. Her friend is 42 inches tall. Kim’s shadow is 24 inches long. How long is her friend’s shadow at the same time?

  47. cover space k • 18 inches

  48. Question 24 • A model of a house was built using the scale 5 in: 25 ft. If a window in the model is 1.5 in wide, how wide is the actual window?

  49. cover space y • 7.5 ft.

  50. Question 25 • To create a model of an artery, a health teacher uses the scale 2.5 cm: 0.75 mm. If the diameter of the artery is 2.7 mm, what is the diameter on the model?

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