Class 7 Exam > Class 7 Videos > Advance Learner Course: Mathematics (Maths) Class 7 > What are Polygons?
What are Polygons? Video Lecture | Advance Learner Course: Mathematics (Maths) Class 7
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FAQs on What are Polygons? Video Lecture - Advance Learner Course: Mathematics (Maths) Class 7
| 1. What is a polygon? |  |
A polygon is a closed figure with straight sides and angles. It is a two-dimensional shape that is formed by connecting straight line segments. The sides of a polygon do not intersect, and the angles between the sides are always less than 180 degrees.
| 2. How many sides can a polygon have? | |
A polygon can have any number of sides, as long as it is a closed figure with straight sides. Some common polygons include triangles (3 sides), quadrilaterals (4 sides), pentagons (5 sides), hexagons (6 sides), and so on.
| 3. What is the difference between a regular and irregular polygon? | |
A regular polygon is a polygon where all the sides and angles are equal. In other words, it is a polygon that has both congruent sides and congruent angles. An irregular polygon, on the other hand, is a polygon where the sides and angles are not all equal.
| 4. Can a polygon have curved sides? | |
No, a polygon cannot have curved sides. By definition, a polygon is a closed figure with straight sides. If any of the sides of a shape are curved, it is not considered a polygon.
| 5. What is the formula to calculate the interior angles of a polygon? | |
The formula to calculate the interior angles of a polygon is (n-2) * 180 degrees, where n represents the number of sides of the polygon. For example, a triangle (which has 3 sides) has interior angles that add up to (3-2) * 180 = 180 degrees, while a pentagon (which has 5 sides) has interior angles that add up to (5-2) * 180 = 540 degrees.
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Nov 21, 2024 Last updated |
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