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Poster: Regular Polygons | Mathematics for Class 4

The document Poster: Regular Polygons | Mathematics for Class 4 is a part of the Class 4 Course Mathematics for Class 4.
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FAQs on Poster: Regular Polygons - Mathematics for Class 4

1. What are regular polygons?
Ans. Regular polygons are geometric shapes that have all sides of equal length and all angles of equal measure. Examples include equilateral triangles, squares, and regular pentagons.
2. How do you calculate the interior angles of a regular polygon?
Ans. The interior angle of a regular polygon can be calculated using the formula: (n - 2) * 180° / n, where n is the number of sides in the polygon.
3. What is the difference between regular and irregular polygons?
Ans. The main difference is that regular polygons have all sides and angles equal, while irregular polygons do not. For example, a rectangle is irregular if its sides are not the same length.
4. How many sides does a regular polygon have if each interior angle is 120 degrees?
Ans. A regular polygon with each interior angle measuring 120 degrees has 6 sides. This can be found using the formula for interior angles to solve for n.
5. Can regular polygons be inscribed in circles?
Ans. Yes, regular polygons can be inscribed in circles, meaning all vertices of the polygon touch the circle. This property is a defining characteristic of regular polygons.
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