How to spell quadrilateral

What does the word quadrilateral mean?

a plane figure having four sides and four angles. something of this form. Geometry. a figure formed by four straight lines that have six points of intersection. a polygon with four sides.

How do you identify a quadrilateral?

(quad means four, lateral means side). A Quadrilateral has four-sides, it is 2-dimensional (a flat shape), closed (the lines join up), and has straight sides.

Which is the best definition of a quadrilateral?

A flat shape with four straight sides. Quadrilaterals – Square, Rectangle, Rhombus, Trapezoid, Parallelogram.

What is the root word of quadrilateral?

quadrilateral (n.) “four-sided,” 1640s, with -al (1) + Latin quadrilaterus, from quadri- “four” (from PIE root *kwetwer- “four”) + latus (genitive lateris) “the side, flank of humans or animals, lateral surface,” a word of uncertain origin . As an adjective from 1650s. Related: Quadrilaterally.

What is a quadrilateral and its types?

Answer: A quadrilateral refers to a four-sided polygon that has four angles. The seven types of quadrilaterals are parallelogram, rhombus, kite, rectangle, trapezoid, square, and isosceles trapezoid. Answer: A trapezoid refers to a 4-sided flat shape with straight sides and it has a pair of parallel opposite sides.

What is quadrilateral formula?

Five different formulas are used to calculate the area of the quadrilateral . Area Formulas of Quadrilaterals .

Quadrilateral Area Formulas
Area of a Square(side)2
Area of a Kite(1 ⁄ 2) × Product of Diagonals
Area of a ParallelogramBase × Height
Area of a RectangleLength × Breadth

Is a quadrilateral a parallelogram?

DEFINITION: A parallelogram is a quadrilateral with both pairs of opposite sides parallel. THEOREM: If a quadrilateral has 2 sets of opposite sides congruent, then it is a parallelogram . THEOREM: If a quadrilateral has diagonals which bisect each other, then it is a parallelogram .

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What is a quadrilateral but not a parallelogram?

An ordinary quadrilateral with no equal sides is not a parallelogram. A kite has no parallel lines at all. A trapezium and and an isosceles trapezium have one pair of opposite sides parallel. A Concave quadrilateral or arrowhead does not have parallel sides.

How many types of quadrilateral are there?


What is another name for a quadrilateral?


What is a quadrilateral 3rd grade?

A quadrilateral is a 4-sided two-dimensional shape. There are 4 types of quadrilaterals : parallelograms, trapezoids, rectangles, and rhombuses. A rectangle has 4 right angles. A rhombus is a quadrilateral with all 4 sides of the same length.

Is a rectangle a quadrilateral?

A rectangle and a crossed rectangle are quadrilaterals with the following properties in common: Opposite sides are equal in length. The two diagonals are equal in length.

Is a trapezoid A quadrilateral?

Some define a trapezoid as a quadrilateral having only one pair of parallel sides (the exclusive definition), thereby excluding parallelograms. Others define a trapezoid as a quadrilateral with at least one pair of parallel sides (the inclusive definition), making the parallelogram a special type of trapezoid .

How many vertices are there in a quadrilateral?


Is a rhombus a quadrilateral?

In plane Euclidean geometry, a rhombus (plural rhombi or rhombuses) is a quadrilateral whose four sides all have the same length. Another name is equilateral quadrilateral , since equilateral means that all of its sides are equal in length. A rhombus with right angles is a square.

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