Solve and Be Sure to Show HOW You Got Your Answer

Solve and Be Sure to Show HOW You Got Your Answer

Solve and be sure to show HOW you got your answer.

Find the sum of the measures of the interior angles of a polygon having:

1. 9 sides2. 13 sides

Find the sum of the measures of the exterior angles of a polygon having:

3. 14 sides4. 109 sides

Find the measure of the remaining interior angle of each of the following figures.

5. hexagon with angles: 95, 154, 80, 145, 766. pentagon with angles of 116, 138, 94, 88

Find the measure of each interior angle of a regular polygon having:

7. 30 sides 8. 90 sides

Find the measure of each exterior angle of a regular polygon having:

9. 24 sides10. 45 sides

Can the given angle represent the measure of an exterior angle of a regular polygon? Explain why.

11. 4612. 1513. 2714. 72

Find the number of sides of a regular polygon if the measure of each interior angle is:

15. 16216. 14017. 168

Find the number of sides of a regular polygon if the measure of each exterior angle is:

18. 9019. 4520. 36

The diagonals of rhombus STUV intersect at W. Given that mUVT = 31.8, TU = 20, and TW = 17, find the indicated measures.

Find the value of the unknown(s). Show work to justify your answers!!!

(some pictures NOT drawn to scale)

27.28.

x = ______x = ______

29. regular hexagon 30. Find the number of sides of a regular n-gon

if the measure of an exterior angle is

Find n (number of sides) = ______

x = ______y = ______

31. 32.

k = ______

x = ______

33. 34. ABCD is a square.

DF = 2x - 3

AC = 3x + 7

x = ______

x = ______m1 ______

y= ______m2 = ______

b = ______length of AD = ______

perimeter of ABCD = _____

35. The figure is a rhombus 36. ABCD is a rhombus. 37. TRAP is an isosceles trapezoid

mRTP = 78

m1 = ______x = ______mTRA = ______

y = ______mODC = ______mRAP = ______

mABC = ______mAPT = ______

mDCB = ______OK = ______

If RP = 46, AT = 3b + 7 then b = ____

38. COAT is a kite. PSTU is a rectangle, ,

is the midsegment of isosceles trapezoid MRTU.

Fill in the blank with always, sometimes or never.

41. A rectangle is ______a parallelogram.

42. A parallelogram is ______a rhombus

43. A rhombus is ______a square

44. A quadrilateral is ______a trapezoid.

45. An isosceles trapezoid is ______a parallelogram.

46. A rectangle is ______a square.

List all the quadrilaterals for which the given property is true. Use the key:

I (Isosceles trapezoid), K (Kite), P (Parallogram), S (Square), R (Rectangle), RH (Rhombus), T(Trapezoid)

47. the diagonals are congruent48. diagonals are perpendicular

49. all sides are congruent50. all angles are congruent

51. diagonals bisect each other52. opposite sides are congruent

53. diagonals bisect opposite angles54. diagonals are congruent AND perpendicular

55. consecutive angles are supplementary56. exactly one pair of sides is parallel

For each quadrilateral named, three vertices are given. Graph these vertices and then find the location of the 4th vertex. Write its coordinates. Use yourknowledge of special quadrilaterals and coordinate geometry.

57. MATH is an isoscelestrapezoid. 58. MATH is a kite.

M (-2, 4) M (1, -1)

A (1, 2) A (-1, 3)

T (1, -1) T (1, 5)

H ______H ______

59. MATH is a rectangle. 60. MATH is a parallelogram.

M (-3, 0) M (-1, 1)

A (-2, 2) A (4, 2)

T (2, 0) T (2, -1)

H ______H ______

Find the area of each figure. Round answers to the nearest tenth.

61)______62)______

63)______

64) The exterior angles of a triangle are in the measure of , and . Find the measure of each exterior angle.

Tell whether each statement is always, sometimes, or never true.

65) As the number of sides of a polygon increases, the sum of the interior angles increases. ______

66) If the number of sides of an equiangular polygon is doubled, the measure of each exterior angle is halved. ______

67) The measure of an exterior angle of a regular decagon is greater than the measure of an exterior angle of a regular pentagon. ______

68) As the number of sides of a polygon increases, the sum of the exterior angles decreases.______

69) Write a two-column proof.

Given:

Prove: is a trapezoid.