This week I have written about polygons and Quadrilaterals.
1.What Polygons are both regular and irregular?
A polygon is "regular" only when all angles are equal and all sides are equal, otherwise it is irregular.
2.How to find the sum of internal angles of regular Polygons?The formula for calculating the sum of the interior angles of a regular polygon is: (n - 2) × 180° where n is the number of sides of the polygon. This formula comes from dividing the polygon up into triangles using full diagonals.
3.Show what quadrilateral are?
A quadrilateral with four right angles; a rectangle is a type of parallelogram. Square: A quadrilateral with four congruent sides and four right angles; a square is both a rhombus and a rectangle. Trapezoid: A quadrilateral with exactly one pair of parallel sides (the parallel sides are called bases).
4.How to find the internal angle of a regular Polygon?
To find the sum of interior angles of a polygon, multiply the number of triangles in the polygon by 180°. The formula for calculating the sum of interior angles is where is the number of sides. All the interior angles in are regular polygon are equal.
5.how to find the exterior angle of a regular Polygon?
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