"trapezoid" randomQuadAngles[ TYPE ]() $.map( ANGLES,function( x ){ return x + "^{\\circ}"; } )
What is the type of this quadrilateral? Be as specific as possible with the given data.
init({ range: [ [-1, 12 ], [ -8, -1 ] ] }) var q = new Quadrilateral( [ 2, -7 ], ANGLES, randRange( 0, 1 ) + 0.5, 3 ); q.boxOut( [ [ [ -0.5, -10 ], [ -0.5, 10 ] ] ], [ 0.1, 0 ] ); q.boxOut( [ [ [ 11.5, -10 ], [ 11.5, 10 ] ] ], [ -0.1, 0 ] ); q.draw(); q.labels = { "angles" : ANGLE_LABELS, "sides" : $.map( $.map( q.sides, lineLength ), function( x ){ return localeToFixed(x, 1); } ) }; q.drawLabels();
Trapezoid
  • Kite
  • Trapezoid
  • Isosceles Trapezoid
  • Parallelogram
  • Rhombus
  • Rectangle
  • Square
  • None of the above

This figure has two parallel sides.

It also has 2 pairs of adjacent angles which are supplementary.

It is a trapezoid.

"isoscelesTrapezoid"
Isosceles Trapezoid

This figure has two parallel sides.

It also has 2 pairs of adjacent angles which are supplementary.

It is a trapezoid (but can we be more specific?).

Its legs are equal, so it is an isosceles trapezoid.

"parallelogram"
Parallelogram

Opposite angles of this quadrilateral are equal.

Adjacent angles are supplementary.

It has 2 pairs of parallel sides.

Parallel sides are equal.

Therefore it is a parallelogram.

"rectangle"
Rectangle

This quadrilateral has 2 pairs of parallel sides.

Its angles are equal to 90.

Therefore it is a rectangle.

"rectangle"
init({ range: [ [-1, 12 ], [ -8, -1 ] ] }) var q = new Quadrilateral( [ 2, -7 ], ANGLES, 1, 3 ); q.boxOut( [ [ [ 11.5, -10 ], [ 11.5, 10 ] ] ], [ -0.1, 0 ] ); q.boxOut( [ [ [ -0.5, -10 ], [ -0.5, 10 ] ] ], [ 0.1, 0 ] ); q.draw(); q.labels = { "angles" : ANGLE_LABELS, "sides" : $.map( $.map( q.sides, lineLength ), function( x ){ return localeToFixed(x, 1); } ) }; q.drawLabels();
Square

This quadrilateral has 2 pairs of parallel sides.

Its angles are equal to 90.

All sides are equal.

Therefore it is a square.

"kite"
Kite

This quadrilateral has two pairs of equal sides.

Those sides are adjacent.

It also has a pair of equal angles, positioned between the non-equal sides.

It is a kite.

"rhombus"
Rhombus

This quadrilateral has all sides equal.

Therefore it is a rhombus.