# Ll CSET 111 - Regular Polygon Domain Mc

8 Questions | Total Attempts: 72

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The module formerly known as LL CSET Math Subtest 2 Geometry Domain 2b MC Qs

• 1.
A regular n-gon is such that its interior angle is 2 less than the number of sides. How many sides does the n-gon have?
• A.

30

• B.

90

• C.

180

• D.

360

• 2.
A regular n-gon is such that its interior angle is one less than half the number of sides. Which of the following is the number of sides the n-gon has?
• A.

30

• B.

90

• C.

180

• D.

360

• 3.
A regular polygon is such that its interior angle measure is 9 times its exterior angle measure. Which of the following is the number of sides of this polygon?
• A.

15

• B.

18

• C.

20

• D.

24

• 4.
A regular n-gon has the property that its exterior angle is one-fifth its interior angle measure. What is the number of sides of this n-gon?
• A.

6

• B.

12

• C.

15

• D.

30

• 5.
A regular n-gon has the property that its exterior angle is one eighth its interior angle measure. What is the number of sides of this n-gon?
• A.

18

• B.

20

• C.

24

• D.

30

• 6.
Both a regular pentagon and a regular hexagon each have a side on line l, and share a common vertex.  Which of the following is a?
• A.

76

• B.

80

• C.

84

• D.

96

• 7.
Both a regular pentagon and a regular octagon each have a side on line l, and share a common vertex.  Which of the following is ?
• A.

45

• B.

54

• C.

56

• D.

63

• 8.
Two regular pentagons each have a side on line l, and share a common vertex.  Which of the following is r?
• A.

90

• B.

108

• C.

112

• D.

116

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