23. Is the figure polygon? Is it convex or concave?
a. Not a polygon, convex
c. Not a polygon
b. Polygon, convex
d. Polygon, concave
24. What is the sum of one interior angle in a regular pentagon (5 sides)?
a. 1080
b. 120°
c. 1350
d. 140°
25. What do you call a nine-sided polygon?
а
a. Heptagon
b. Nonagon
c. Pentagon
d. Octagon
26. The formula for Interior Angle Sum Theorem is given by
d. S=(n-3)(2
a. S = (n-2)( 1809) b. S=(n-2)( 2009) c. S=(n-3)(180°)
27. What is the measure of each interior angle of a square?
b. 90°
c. 1350
a. 45°
d. 180°
28. A convex polygon has interior angles that measure 167°, 126°, 134°, 156°, 154º, and 1
What is the sum of the measures of the remaining interior angles?
a. 3810
b. 396°
c. 4110
d. 436°
29. What is the measure of each exterior angle of a regular pentagon?
a. 72°
b. 90°
c. 1089
d. 120°
30. Which of the following can be used to determine the measure of each interior angle
regular polygon?
180
360
a.
b.
(n-2)180
n
C.
(n-2)360
n
d.
n
n
31. Which of the following divides the circle into equal semicircles?
a. diameter
b. major arc
c. minor arc
d. radius
32. It is an angle whose vertex is the center of the circle.
a. central
b. inscribed
c. intercepted
d. subter
33. It is a line that intersects the circle at exactly one point.
a. chord
b. diameter
C secant

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