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A rhombus is a four-sided shape where all sides have equal length (marked "s"). Also opposite sides are parallel and opposite angles are equal. Another interesting thing is that the diagonals (dashed lines) meet in the middle at a right angle.
Examine the properties of the quadrilateral, including side lengths and angle measurement. This quadrilateral has 4 4 sides. The opposite sides are the same length, as shown by the tick marks. It also has 4 4 angles of equal measure, all of which are 90∘ 90∘ or right angles.
A quadrilateral is a plane figure that has four sides or edges, and also has four corners or vertices. The angles are present at the four vertices or corners of the quadrilateral. If ABCD is a quadrilateral then angles at the vertices are ∠A, ∠B, ∠C and ∠D. The sides of a quadrilateral are AB, BC, CD and DA.
Quadrilateral. A quadrilateral is a closed shape that is formed by joining four points among which any three points are non-collinear. In simple words, a quadrilateral is a polygon with 4 sides, 4 angles, and 4 vertices.
There are various types of quadrilaterals based on their properties. Squares, rectangles, parallelograms, rhombus are a few types of quadrilaterals. A polygon with four sides and four vertices is called a quadrilateral. The word is derived from two Latin words - "Quadri" and "Latus" meaning a variant of four and sides respectively.
Quadrilaterals are four sided shapes (quad meaning four, lateral meaning lines). For example, The sum of interior angles of a quadrilateral total 360 ∘ 36 0 ∘ 360∘. Quadrilaterals can be convex or concave. A convex polygon is a polygon with all the interior angles less than 180 ∘ 18 0 ∘ 180∘.
Quadrilaterals can be classified by whether or not their sides, angles, diagonals, or vertices have special properties. The classification schemes taught in elementary school involve the number of pairs of parallel sides, and the congruence of sides, and whether or not all the angles are right angles (all angles are congruent).
