![]() ![]() In a regular octagon, all sides are equal and each interior angle measures exactly 135°. ![]() Irregular hexagon does not have equal sides and angles.Īn octagon is an 8-sided polygon where the sum of all the interior angles is 1080°. It is said to be a regular heptagon if all seven sides and seven angle measures are equal. The sum of all interior angles of a heptagon is 900°. On the other hand, the irregular hexagon does not have equal sides and angles. The measure of each of the interior angles of a regular hexagon is 120°. A regular hexagon is a six-sided polygon where all sides and interior angles are equal. The sum of all interior angles of a hexagon is 720°. The table below shows more kinds of regular and irregular polygons. A pentagon is said to be a concave pentagon if at least one of the vertex is pointing inwards.A convex pentagon is a pentagon where all fives vertices are pointing outwards.Every triangle has three sides, three vertices, and three angles. A triangle is formed when three straight lines meet. TriangleĪ triangle is a closed, two-dimensional shape with three straight sides. Let’s take a look at some of the polygons and define their characteristics. Some common types of polygons are triangle, square, rectangle, pentagon, hexagon, etc. The properties and kinds of polygons differ depending on the number of sides it has. All circles have 360 degrees of angle measure.The measure of a diameter is twice the measure of a radius. ![]() It is a line segment that runs across the circle through its center.
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