![]() A convex polygon simply has all of its interior angles measuring less than 180 degrees while a concave polygon has one or more interior angles going beyond 180 degrees. The main difference between concave and convex polygons lies in the measurement of their interior angles. These quadrilaterals intersect in themselves which makes it look like a simple bow-tie in shape. It only has one type which is called dart. Concave QuadrilateralsĪ quadrilateral with an interior angle greater than 180 degrees. KiteĪ quadrilateral that has adjacent sides of equal lengths. RectangleĪ type of parallelogram with all interior angles measuring 90 degrees. SquareĪ type of rhombus which has four right angles. RhombusĪ quadrilateral with four equal sides. ParallelogramĪ quadrilateral with two pairs of parallel sides. Isosceles TrapezoidĪ trapezoid that has base angles of equal value. TrapezoidĪ quadrilateral that has exactly one pair of parallel sides. TrapeziumĪ quadrilateral that has no sides that are parallel with each other. Convex Quadrilaterals – All quadrilaterals belonging to this type does not have an interior angle of more than 180 degrees. This type is further divided into two which are:Ī.1. Simple quadrilaterals are quadrilaterals that do not intersect in themselves. Quadrilaterals are divided into two major types namely, simple and complex. Quadrilaterals are polygons that have exactly four sides and four corners. ![]() However, it technically looks like a line segment if you try to draw it. It is a triangle that has an interior angle of 180 degrees. These triangles have one interior angle which measures above 90 degrees. These triangles all have three of their interior angles measuring less than 90 degrees. Under oblique triangles are two more types namely: B.1. It is simply a triangle that does not have a 90-degree interior angle. The relation between the sides and other angles of the right triangle is the basis for trigonometry. ![]() The side directly opposite of this angle is called the hypotenuse, which is also the longest side of a right triangle. Right TriangleĪ triangle that has a 90-degree interior angle. Types of triangles according to interior angles A. Equivalently, it has all angles of different measure. A scalene triangle has all its sides of different lengths. It is a kind of triangle that has no sides of equal length. Sometimes it is specified as having exactly two sides of equal length, and sometimes as having at least two sides of equal length, the latter version thus including the equilateral triangle as a special case. an isosceles triangle is a triangle that has two sides of equal length. It is a kind of triangle that exactly has two sides of equal length. In the familiar Euclidean geometry, an equilateral triangle is also equiangular that is, all three internal angles are also congruent to each other and are each 60°. an equilateral triangle is a triangle in which all three sides have the same length. It is a kind of triangle with all three sides having the same length. Types of triangles according to the lengths of sides There are different kinds of triangles and they are classified through the length of their sides or through their interior angles. TrianglesĪ triangle is a type of polygon that exactly has three sides and three vertices, or corners. Non-polygons on the other hand, are closed figures made up of curved lines or a combination of straight lines and curved lines. Polygons are two-dimensional geometric shapes that are made up of straight lines that meet up at one of their endpoints and forms a closed figure. Under 2D shapes, there are two further classifications namely polygons and non-polygons. Types of triangles according to interior anglesĭescription of Types of Geometric Shapes on the list 2D Geometric ShapesĪs explained above, 2D geometric shapes have length and width.Types of triangles according to the lengths of sides.Description of the Types of Geometric Shapes on the list.The first group consists a list of two-dimensional (2D) shapes, which have length and width while the second group consists of example of three-dimensional (3D) shapes that have length, width, and depth. To make it simpler, we made a list of types of geometric shapes which are divided into two major groups depending on their dimensions. To put it in even simpler terms, if you say that something is a circle in geometry, no matter what angle you look at it or how much you fiddle around with it, it will still have the property of a geometric circle. Geometric Shapes: By definition, geometric shapes are the purest form of an object or figure in a sense that no matter how much it is moved, rotated, enlarged, or reflected in the mirror, it will just stay in the same form as it was originally when you still did not touch it.
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