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8M: Geo QC (angle of polygons)
Contributed by: Maynard

Which words correctly complete the statement

above?

1. A regular polygon is a polygon with _____________

side lengths congruent and _______________ angle

measures congruent.

no,  all

all,  no

all,  all

no,  no

2. Which figure is concave?
A
C
B
D
3. All interior angles of a convex pentagon sum to _______.?
180 degrees 

360 degrees

540 degrees

720 degrees

4. The  exterior angles of a convex polygon sum to
degrees.

5. What is the measure of

angle HJK? (the interior angle)

degrees

6. Find the angle measure of EACH interior angle of

a regular, convex octagon.

degrees

regular, convex heptagon

irregular, convex heptagon

irregular, concave hexagon 
7. Which best describes the figure?

irregular, concave heptagon

6.1
(No spaces or commas in your answer please.)

8. Find the measure of all interior angles of

a regular 40-gon.

degrees
9. What is the sum of the interior angle
     measures of a trapezoid?
90 degrees
180 degrees
360 degrees
540 degrees
10. Find the value of x in the polygon
      below.  
degrees
11.  What is the value of x in the polygon below?
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