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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