Ask questions and get helpful answers.

The Polygon Angle-Sum Theorem states the following: The sum of the measures of the angles of an n-gon is ____. (1 point)

(n – 1)180o

(n – 2)180o

9. What is the measure of one angle in a regular 16-gon? (1 point)
2,520o
202.5o
157.5o
78.75o

10. The measure of each exterior angle of a regular 5-gon is ____ the measure of each exterior angle of a regular 9-gon. (1 point)
greater than
less than

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩

4 answers

  1. Can someone check my answers. Geometry unit 16 semester exam.

    1. The Polygon angle-sum theorem states: the sum of the measures of the angle of an n-gon is.
    D - (n-2_180

    2. If ABCD is a parallelogram, which of the following statements must be true?
    B - A=B=C=D

    3.A quadrilateral ________ has on pair of parallel sides.
    B - sometimes

    4. A square is ________ a rectangle.
    B - Sometimes

    5. A stop sign is in the shape of a regular octagon. what is the measure of each angle on the sign?
    B - 170 degree

    6. If the coordinates of a quadrilateral composed in the first quadrant of the coordinate plane are (0,0),(a=c,b), and (c,0), which is the most accurate classification of the quadrilateral?
    C - Parallelogram.

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  2. The sum of the measures of the angles of an n-gon is 180(n-2)

    9. Use the above formula to get 2520°

    10.
    The measure of each exterior angle of a regular 5-gon is 360/5 = 72°
    The measure of each exterior angle of a regular 9-gon is 360/9 = 40°

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  3. n-2

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  4. 1. (n-2)180
    2. AB=CD and BC=AD
    3. All rectangles are quadrilaterals.
    4. always
    5. 135°
    6. (a+c, b)
    7. 15° and 75°
    8. 24
    9. 9
    10. 47 ft.
    11. TRS ~ TPQ; SAS~
    12. SSS theorem
    13. 24
    14. 2√10 miles; 2√35 miles
    15. x = 12
    16. yes
    17. acute
    18. 17√2 ft
    19. 33/2 + 11/2 √3
    20. 86.19°
    21. sin A = 21/29, cos A = 20/29
    22. 1.9 mi
    23. 1,190 in^2
    24. 19.2 ft
    25. 44 cm^2
    26. 34.3 ft^2
    27. 1,216 in^2
    28. 72,000
    29. 40pi in.
    30. 15pi in.
    31. 4.2025pi m^2
    32. 24.0 in^2
    33. 505m^2; 519m^2
    34. 14
    35. 308pi in^2
    36. 144 ft^2
    37. 1,802 m^2
    38. 1:4
    39. 1,513.2 in^3
    40. 509.3 ft^2
    41. 1,783.3 m^2
    42. 7:18
    43. 46
    44. 60
    45. 43°
    46. 22°
    47. 28°
    48. (x-3)^2 + (y+2)^2 = 9
    49. (x+4)^2 + (y+3)^2 = 125

    This should be right for the geometry semester B exam, but be careful because they might have changed it!

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

Answer this Question

Related Questions

Still need help?

You can ask a new question or browse existing questions.