# Polygons Classified By Number Of Sides.

Approved & Edited by ProProfs Editorial Team
The editorial team at ProProfs Quizzes consists of a select group of subject experts, trivia writers, and quiz masters who have authored over 10,000 quizzes taken by more than 100 million users. This team includes our in-house seasoned quiz moderators and subject matter experts. Our editorial experts, spread across the world, are rigorously trained using our comprehensive guidelines to ensure that you receive the highest quality quizzes.
| By Luckys1998
L
Luckys1998
Community Contributor
Quizzes Created: 1 | Total Attempts: 78
Questions: 6 | Attempts: 78

Settings

• 1.

### How many sides do a heptagon have?

• A.

13

• B.

9

• C.

7

• D.

10

C. 7
Explanation
A heptagon is a polygon with seven sides. Therefore, the correct answer is 7.

Rate this question:

• 2.

### How many sides do a Nonagon have?

• A.

9

• B.

10

• C.

11

• D.

12

A. 9
Explanation
A nonagon is a polygon that has nine sides. Therefore, the correct answer is 9.

Rate this question:

• 3.

### How many sides do a decagon have?

• A.

9

• B.

7

• C.

13

• D.

10

D. 10
Explanation
A decagon is a polygon with ten sides. Therefore, the correct answer is 10.

Rate this question:

• 4.

### How many sides do a dodecagon have?

• A.

10

• B.

12

• C.

9

• D.

7

B. 12
Explanation
A dodecagon is a polygon with 12 sides. In this question, the correct answer is 12.

Rate this question:

• 5.

### What is in a convex polygon?

• A.

Lines Segments inside and outside

• B.

Lines Segments inside only

B. Lines Segments inside only
Explanation
A convex polygon contains only line segments inside its boundary. It does not include any line segments outside of its boundary.

Rate this question:

• 6.

### What is a concave polygon?

• A.

Lines Segments inside only

• B.

Lines Segments inside and outside

B. Lines Segments inside and outside
Explanation
A concave polygon is a polygon that has at least one interior angle greater than 180 degrees. This means that there are line segments both inside and outside the polygon. The presence of interior angles greater than 180 degrees causes the polygon to curve inward, creating a concave shape.

Rate this question:

Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

• Current Version
• Aug 01, 2023
Quiz Edited by
ProProfs Editorial Team
• Oct 23, 2011
Quiz Created by
Luckys1998

Related Topics