Polygons Angles

Which words correctly complete the statement

above?

A regular polygon is a polygon with _____________

side lengths congruent and _______________ angle

measures congruent.

no,  all

all,  no

all,  all

no,  no

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

360 degrees

540 degrees

720 degrees

The  exterior angles of a convex polygon sum to
(Please just put the number, no label.)
degrees.

What is the measure of

exterior angle at J?

degrees
this angle

Find the angle measure of each interior angle of

a regular, convex octagon.

degrees

regular, convex heptagon

irregular, convex heptagon

irregular, concave hexagon 
Which best describes the figure?

irregular, concave heptagon

(No spaces or commas in your answer please.)

Find the sum of the measures of all 

interior angles of a regular 40-gon.

degrees

regular, convex hexagon

regular, convex pentagon

regular, concave hexagon 
Which best describes the figure?

irregular, convex pentagon

What is the measure of

exterior angle at A?

degrees
A
12x
this angle
8x
B
D
7x
9x
C

Find the angle measure of each interior angle of

a regular, convex decagon.

degrees

Find the angle measure of each exterior angle of

a regular, convex triangle.

degrees

Find the angle measure of each exterior angle of

a regular, convex nonagon.

degrees
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