en.wikipedia.org/wiki/Quadrilateral

In Euclidean plane geometry, a quadrilateral is a polygon with four edges (or
sides) and four .... Orthodiagonal quadrilateral: the diagonals cross at right
angles. ... In a concave quadrilateral, o...

www.reference.com/math/quadrangle-one-right-angle-129537b18c411b81

A quadrangle with one right angle has no special name. It is called a quadrangle
or a quadrilateral. Any four-sided shape is a quadrilateral, according to Math Is.

www.quora.com/What-is-a-quadrangle-with-one-right-angle-called-And-how-do-you-draw-it

Feb 10, 2016 ... It is called a dart or kite. To draw one, begin as if drawing a right triangle and then
add an extra corner in the hypotenuse. If that corner has an ...

wikis.engrade.com/anglestriquad

A review of angles, triangles and quadrangles. ... A rectangle is a four-sided
shape where every angle is a right angle (90°). Also opposite sides are ... A
trapezoid (called a trapezium in the UK) has one pair of opposite sides parallel. It
is called ...

intermath.coe.uga.edu/tweb/gcsu-geo-spr06/nsmith/mystery quadrilateral.doc

Alternately, a rectangle is a parallelogram with 1 right angle (Can you ... each of
the mystery quadrilaterals and determine what type of quadrilateral each one is.

www.icteachers.co.uk/children/sats/quadrilaterals.htm

The interior angles of a quadrilateral add up to 360 degrees. ... A square has got
4 sides of equal length and 4 right angles (right angle = 90 degrees). ... So if the
length of one of the sides is 5 cm what is the combined length of the other 3 sides
...

www.answers.com/Q/A_quadrangle_that_has_at_least_1_right_angle

a square * * * * * It need not be a square. It is simply a right angled quadrangle! It
can be a ... What shape is a quadrangle with only one right angle? maybe a ...

www.montereyinstitute.org/courses/DevelopmentalMath/COURSE_TEXT2_RESOURCE/U07_L2_T1_text_final.html

The sum of the interior angles of any quadrilateral is 360°. Consider the two ...
The angle measurements of one triangle are shown for each. ... It is a special
case of a parallelogram that has four congruent sides and four right angles. A
square ...

math.slu.edu/escher/index.php/Squares,_Rectangles,_Parallelograms_and_Other_Polygons

Feb 19, 2009 ... The simplest way to sort triangles is by their angle size: ... Right triangle: A right
triangle is one in which one of the angles is a right angle (exactly 90°) ... Square:
A quadrilateral with four equal-length sides and four right angles ...

www.mstworkbooks.co.za/mathematics/gr7/gr7-mathematics-05.html

Draw a triangle with one right angle, and a triangle without any right angles. ...
The two red sides, BC and AD, are called opposite sides of quadrilateral ABCD.