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Triangle Jeopardy

Triangle Jeopardy. Triangle Inequality $100. Can you form a triangle using the lengths 4.8 ft, 1.3 ft, and 3.4 ft? Why or why not?. Triangle Inequality $100. No 1.3 ft + 3.4 ft < 4.8 ft. Triangle Inequality $200. Two sides of a triangle are 6 cm & 8cm.

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Triangle Jeopardy

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  1. Triangle Jeopardy

  2. Triangle Inequality $100 Can you form a triangle using the lengths 4.8 ft, 1.3 ft, and 3.4 ft? Why or why not?

  3. Triangle Inequality $100 No 1.3 ft + 3.4 ft < 4.8 ft

  4. Triangle Inequality $200 Two sides of a triangle are 6 cm & 8cm. What can you conclude about the third side?

  5. Triangle Inequality $200 The third side is between 2 and 14 cm. (12 < x < 16)

  6. Triangle Inequality $300 In triangle ABC, m<A = 45 degrees and m<B = 76 degrees. Name the longest side of this triangle.

  7. Triangle Inequality $300 AC because it is opposite <B, which is thelargest angle.

  8. Triangle Inequality $400 What can you conclude about the length of AB? B 11 A C 16

  9. Triangle Inequality $400 AB is between 5 and 27 (5 < AB < 27)

  10. Triangle Inequality $500 What can you conclude about the length of AB? m<C < m<B < m<A B A 12 10 C

  11. Triangle Inequality $500 Since <C is the smallest angle, AB is the shortest side, therefore AB < 10, however AB > 2 to be a triangle. (2 < AB < 10)

  12. Right, Acute, or Obtuse $100 Classify the triangle by its angles if it has sides with lengths 20, 29, 21

  13. Right, Acute, or Obtuse $100 Right Triangle

  14. Right, Acute, or Obtuse $200 Classify the triangle by its angles if it has sides with lengths 3.6, 7.2, 9.8

  15. Right, Acute, or Obtuse $200 Obtuse Triangle

  16. Right, Acute, or Obtuse $300 Classify the triangle by its angles if it has sides with lengths

  17. Right, Acute, or Obtuse $300 Acute Triangle

  18. Right, Acute, or Obtuse $400 Classify the triangle by its angles if it has sides with lengths

  19. Right, Acute, or Obtuse $400 Obtuse Triangle

  20. Right, Acute, or Obtuse $500 Two sides of a triangle measure 7 and 3. Find a measure for the third side to make it an acute triangle.

  21. Right, Acute, or Obtuse $500

  22. Isosceles Triangles $100 Triangle PQR is an isosceles right triangle. If <Q is the vertex angle, what is the measure of <Q?

  23. Isosceles Triangles $100 90 degrees

  24. Isosceles Triangles $200 Triangle RST is an isosceles obtuse triangle. If one base angle measures 32 degrees, what is the measure of the vertex angle?

  25. Isosceles Triangles $200 116 degrees

  26. Isosceles Triangles $300 Find AC. B X - 4 50 C 50 x/3 A

  27. Isosceles Triangles $300 AC = 2 units

  28. Isosceles Triangles $400 Find m<C C 2x X + 21 E D

  29. Isosceles Triangles $400 m< C = 96 degrees

  30. Isosceles Triangles $500 Find ZW W 5a + 3 60 60 Y 7a + 2 Z

  31. Isosceles Triangles $500 ZW = 5 ½ units

  32. Medians, Altitudes, & Bisectors $100 What is the name of the perpendicular segment from a vertex to the line that contains the other side?

  33. Medians, Altitudes, & Bisectors $100 Altitude

  34. Medians, Altitudes, & Bisectors $200 What is the name of the point where all of the medians intersect in a triangle?

  35. Medians, Altitudes, & Bisectors $200 The CENTROID

  36. Medians, Altitudes, & Bisectors $300 Name the angle bisector in the figure below. A E C B D

  37. Medians, Altitudes, & Bisectors $300 BE is the angle bisector.

  38. Medians, Altitudes, & Bisectors $400 PO is the perpendicular bisector of MN. Find ON. 2x + 5 P 15 – 3x M N 5x + 1 O

  39. Medians, Altitudes, & Bisectors $400 ON = 11 units

  40. Medians, Altitudes, & Bisectors $500 KL is the altitude of triangle HJK. Find the value of x. H L J 9x - 27 3x + 21 K

  41. Medians, Altitudes, & Bisectors $500 9x – 27 + 3x + 21 + 90 = 180 12x + 111 = 180 12x = 96 X = 8

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