Dodecagon -Multiple Choice Questions Quiz

Question 1: How many sides does a dodecagon have?

(a) 8 sides
(b) 10 sides
(c) 12 sides
(d) 15 sides

Question 2: What is the sum of interior angles in a dodecagon?

(a) 1440 degrees
(b) 1800 degrees
(c) 1980 degrees
(d) 2160 degrees

Question 3: How many diagonals does a dodecagon have?

(a) 54 diagonals
(b) 66 diagonals
(c) 78 diagonals
(d) 90 diagonals

Question 4: What is the measure of each interior angle in a regular dodecagon?

(a) 120 degrees
(b) 135 degrees
(c) 150 degrees
(d) 160 degrees

Question 5: If the exterior angle of a regular dodecagon is 30 degrees, what is the measure of each interior angle?

(a) 120 degrees
(b) 135 degrees
(c) 150 degrees
(d) 165 degrees

Question 6: What is the rotational symmetry order of a dodecagon?

(a) 6
(b) 10
(c) 12
(d) 24

Question 7: How many acute angles does a dodecagon have?

(a) 6
(b) 8
(c) 10
(d) 12

Question 8: If one interior angle of a dodecagon is 150 degrees, what is the measure of its corresponding exterior angle?

(a) 15 degrees
(b) 30 degrees
(c) 45 degrees
(d) 60 degrees

Question 9: Which of the following is a property of a regular dodecagon?

(a) All sides are equal, but angles may vary
(b) All sides and angles are equal
(c) Sides may vary, but angles are equal
(d) Sides and angles may vary

Question 10: What is the name of a dodecagon with sides of different lengths?

(a) Regular dodecagon
(b) Irregular dodecagon
(c) Convex dodecagon
(d) Equilateral dodecagon

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Total score: /10

Answer key:

Question 1: c

Question 2: a

Question 3: c

Question 4: b

Question 5: c

Question 6: c

Question 7: d

Question 8: a

Question 9: b

Question 10: b