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Geometry Jeopardy: Missing Angles, Parallel Lines & Transversal Lines, Triangles, Polygons Vocabulary

Test your geometry knowledge with Jeopardy-style questions on missing angles, parallel lines, transversal lines, triangles, polygons, and vocabulary. Find the missing angles and identify different shapes. Learn definitions and properties of geometric concepts. Have fun while improving your geometry skills!

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Geometry Jeopardy: Missing Angles, Parallel Lines & Transversal Lines, Triangles, Polygons Vocabulary

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  1. Jeopardy Choose a category. You will be given the answer. You must give the correct question. Click to begin.

  2. Choose a point value. Choose a point value. Click here for Final Jeopardy

  3. Find the Missing Angle Parallel Lines & Transversal Lines Triangles Polygons Vocabulary 10 Point 10 Point 10 Point 10 Point 10 Point 20 Points 20 Points 20 Points 20 Points 20 Points 30 Points 30 Points 30 Points 30 Points 30 Points 40 Points 40 Points 40 Points 40 Points 40 Points 50 Points 50 Points 50 Points 50 Points 50 Points

  4. Below is a triangle with a missing angle. Find the missing angle: Missing Angle 30 °

  5. Given angles: 90 ° + 30 ° = 120 ° All angles in a triangle add up to 180 ° 180 ° - 120 ° = 60° 60° = Missing Angle

  6. Below is a quadrilateral. Find the 2 (a & b) missing angles: 120° 60° a b

  7. All quadrilaterals have an angle sum of 360 °. Therefore, a = 60 ° and b = 120 °. These angles are equal to the opposite angle. 60 + 60 + 120 + 120 = 360 °

  8. Find the missing angles for the regular polygon below. Angle sum = 1,080°

  9. Since this is a regular polygon, we know that all angles and sides are equal. Since this is an OCTAGON = 8 sided figure, we can easily find the missing angle. Therefore, you take 1,080 ° / 8 = 135 ° Each angle of the octagon = 135 °

  10. Find the exterior angles (a, b, and c) of the triangle below. b 60° c a 30 °

  11. By looking at the triangle, we know that the interior angle + the exterior angle = 180 ° (straight line) 180 ° - 90 ° = 90 ° = a 180 ° - 60 ° = 120 ° = b 180 ° - 30 ° = 150 ° = c

  12. Find the missing angle (x) in the quadrilateral. 93 70 X 135

  13. All interior angles in a quadrilateral add up to 360. 93 + 70 + 135 = 298 360 - 298 = 62 = X

  14. Define Parallel Lines

  15. Parallel Lines: Lines in a plane that never meet. The opposite sides of a regular hexagon areparallel.

  16. Define Transversal Line

  17. Transversal Line: A line that intersects two or more lines.

  18. Find the missing angles. 120

  19. 60 120 60 120

  20. 20

  21. 90 30 60 90+ 60 = 150 180-150 = 30

  22. Draw and define right triangle.

  23. Right Triangle: A triangle with one right angle and two acute angles.

  24. Define and draw a Isosceles Triangle.

  25. Isosceles Triangle: a triangle with two sides the same length.

  26. Draw and define what an equilateral triangle is.

  27. Equilateral Triangle: a triangle with all three sides the same length.

  28. Draw and define a Scalene Triangle.

  29. Scalene Triangle: A triangle with no side lengths equal.

  30. How much do all the interior angles ALWAYS add up to in a triangle?

  31. All interior angles in a triangle add up to 180.

  32. I am a polygon with 5 sides. Who am I?

  33. I am a Pentagon!

  34. If you take all of my interior angles and add them together you get 720. What polygon am I?

  35. I am a Hexagon - 6 sided figure.

  36. I am a regular nonagon (9-sided figure). All of angles are 140. What is the angle sum for my shape?

  37. 9 x 140 = 1,260

  38. How could you find out what the angle sum for a pentagon is without using a protractor?

  39. Starting from the triangle, the angle sum increases by 180 with each addition side.

  40. Fill in the missing parts of the chart.

  41. Question 5d

  42. Define and draw an Obtuse Angle.

  43. Obtuse Angle: An angle whose measure is greater than 90 and less then 180

  44. Define and draw an acute angle.

  45. Acute Angle: an angle whose measure is less than 90

  46. Define and draw a parallelogram.

  47. Parallelogram: a quadrilateral with opposite sides parallel. Both pairs of opposite angles are all equal.

  48. What word goes with this definition? A polygon that has all of its sides equal and all of its angles equal. The hexagon below is regular, but the pentagon is not regular, because its sides and its angles are not equal.

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