quadrilateral

(redirected from Quadrilaterals)
Also found in: Dictionary, Thesaurus, Medical.

quadrilateral

1. having or formed by four sides
2. a polygon having four sides. A complete quadrilateral consists of four lines and their six points of intersection

Quadrilateral

A plane figure bounded by four straight lines. If two of the lines are parallel, it is a trapezium. If two pairs of lines are parallel, it is a parallelogram. An equilateral parallelogram is a rhombus. A right-angled rhombus is a square.

quadrilateral

[¦kwä·drə′lad·ə·rəl]
(civil engineering)
References in periodicals archive ?
For this lesson, I set the challenge that students could only use quadrilateral shapes; squares, rectangles, rhombuses, parallelograms, trapezoids and kites to create a two-dimensional holiday nutcracker.
Conversely, the words triangle and quadrilateral are from Latin and mean 'three-angled' and 'four-sided' respectively (Figure 1).
Then both quadrilaterals in every corona are parallelograms.
Yet, Darren did not attempt to refine C3 to a conjecture that would indeed lead to a congruence property for quadrilaterals (SASSS?
For the two polygonal quadrilaterals, the corresponding contour lines and the location of the origin in the interior case are indicated.
Bretschneider's Formula does hold for convex and concave quadrilaterals, and it's also good for (the signed areas of) crossed quadrilaterals.
The proofs of Theorems 2 and 3 break down when applied to quadrilaterals and hexahedra because, in the notation of those theorems, [E.
Hart based his design for "Rainbow Bits" on an icosahedron transformed via his propellor operator into a three-dimensional mosaic of 20 equilateral triangles and 60 kite-shaped quadrilaterals.
describe squares, rectangles, and other quadrilaterals in terms of their properties;
Depending upon the size and the complexity of the cross section, models have varied in size between one hundred and two hundred, four-node quadrilateral elements.
Two days later, we began a conversation on area and prompted teachers to generate proofs of why the area formulas for various quadrilaterals are what they are.
p,h]] is the number of triangles or quadrilaterals in [T.