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- 1. Multiple Choice
What is the sum of the measures of the interior angles of a 27-gon?
4860º
4500º
5220º
166.7º
- 2. Multiple Choice
If the sum of the interior angles of a polygon is 2340°, how many sides does the polygon have?
11 sides
13 sides
15 sides
16 sides
- 3. Fill in the Blank
- 4. Fill in the Blank
A regular hexagon is shown below. Find the value of x.
- 5. Fill in the Blank
If the polygon shown below is a regular nonagon, what is the value of x?
- 6. Fill in the Blank
Find m∠DCE.
- 7. Multiple Choice
If each interior angle of a regular polygon measures 168°, how many sides does the polygon have?
12 sides
30 sides
25 sides
15 sides
- 8. Multiple Choice
Which of the following properties is always true for a parallelogram?
Diagonals bisect each other.
Diagonals are perpendicular.
Diagonals are congruent.
Diagonals bisect opposite angles.
- 9. Multiple Choice
Which of the following quadrilaterals always have diagonals that are congruent? Check all that apply.
Parallelograms
Rectangles
Rhombi
Squares
Isosceles Trapezoids
- 10. Fill in the Blank
If ABCD is a parallelogram, find m∠D.
- 11. Fill in the Blank
If m∠XYZ = 68° and m∠WXZ = 71°, find m∠WZX.
- 12. Fill in the Blank
If XZ = 8x–18 and RZ = 2x+5, find XR.
- 13. Fill in the Blank
If EC = 13, find BD.
- 14. Fill in the Blank
Find m∠ADB.
- 15. Fill in the Blank
Find m∠DEC.
- 16. Fill in the Blank
If JKLM is a rectangle, find m∠NML.
- 17. Fill in the Blank
If GE = 42 and DH = 20, find GF.
- 18. Fill in the Blank
If EF = 17 and DF = 16, find GF.
- 19. Multiple Choice
If m∠ACB = (11x – 32)°, find the value of x.
5
7
11
15
- 20. Multiple Choice
Find the measurement of the angle indicated for each trapezoid.
35º
85º
70º
55º
- 21. Multiple Choice
Solve for x.
6
12
4
8
- 22. Multiple Choice
Solve for x.
9
1
3
10
- 23. Multiple Choice
Find the length of the base indicated on the given trapezoid.
9
11
12
13
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