square, rhombus
rhombus. The rhombus is a quadrilateral with all sides equal in length. It is also a parallelogram, so opposite sides are parallel and equal in length, and opposite angles are equal.
A square
parralelogram
A square. Four 90 degree angles allow a quadrilateral to have equal sides.
If a set of equal sides are adjacent, then the quadrilateral is a "kite" shape. If a set of equal sides are opposite, then the quadrilateral is a parallelogram.
No, a quadrilateral must have 4 sides. If it is a proper quadrilateral it must have 4 sides of equal length but if it is an irregular quadrilateral it must have 4 sides but not have equal sides. An example of a quadrilateral could be a square. A pentagon on the other side must have 5 sides.
rhombus. The rhombus is a quadrilateral with all sides equal in length. It is also a parallelogram, so opposite sides are parallel and equal in length, and opposite angles are equal.
This is a quadrilateral. It could be a symmetric trapezium /
parralelogram
A square
A square. Four 90 degree angles allow a quadrilateral to have equal sides.
If a set of equal sides are adjacent, then the quadrilateral is a "kite" shape. If a set of equal sides are opposite, then the quadrilateral is a parallelogram.
Nope - a quadrilateral is defined as having four sides of equal length.
That quadrilateral is known as a 'parallelogram'.
rhombus
square, rhombus
Most quadrilaterals do not have opposite sides which are equal in length. Sadly, there is no special name for them.