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The Rhombus. 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. In other words they "bisect" (cut in half) each other at right angles.
What is a Quadrilateral? 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.
8 Ιουν 2024 · A quadrilateral is a flat geometric shape having four straight sides and four vertices. It is a type of polygon. The word ‘quadrilateral’ is derived from the Latin words ‘quadri’, meaning ‘four’, and ‘latus’, meaning ‘side’.
The right quadrilateral has 4 pairs of congruent sides and 2 pairs of congruent angles. Both quadrilaterals have 2 pairs of parallel sides. Therefore, they are both parallelograms.
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).
14 Ιαν 2023 · The geometric symbol for congruent is \(\ \cong\), so you can write \(\ \angle A \cong \angle C\) and \(\ \angle B \cong \angle D\). The parallel sides are also the same length: \(\ \overline{A B} \cong \overline{D C}\) and \(\ \overline{B C} \cong \overline{A D}\).
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.
