# geometry

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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

• geometry -

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°

• geometry -

n-2

• geometry -

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.

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