properties-of-a-rhombus-rectangle-and-a-square-copy

# Interactive video lesson plan for: Properties of a rhombus, rectangle, and a square (copy)

#### Activity overview:

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http://geometrycoach.com/Geometry-Lesson-Plans/?pa=MOOMOOMATH
Properties of a rhombus,rectangle, and a square

A rhombus,rectangle, and square are all polygons.
In addition each of these are quadrilaterals, which mean they have 4 sides.
A rhombus is a quadrilateral with 4 equal sides. A rhombus is most commonly recognized as a diamond, but they are not limited to this shape.
Let's take a look at 14 properties of a rhombus.

A Rhombus is a Quadrilateral, which means it has four sides, and the sides of a rhombus are congruent.

The opposite sides of a rhombus are parallel.

The opposite angles of a Rhombus are congruent.

The diagonals of a rhombus are perpendicular.

The diagonals of a Rhombus create form four congruent interior triangles.

The diagonals of a rhombus bisect each other which means they cut each other in half.
A rectangle has opposite sides that are congruent. in addition a rectangle has 4 right angles, and diagonals that are equal.

A rectangle is part of the quadrilateral family.
A rectangle is a plane shape with 4 sides.
In addition, it has several other properties
A rectangle is a 4 sided polygon, with opposite sides being parallel.
In addition, a rectangle has 4 right angles and the sum of the interior angles add to 360 degrees.
The diagonals of a rectangle are equal length
The diagonals bisect and create two equal triangles.
Opposite sides are equal and parallel
All squares are rectangles, but not all rectangles are squares.

A square is also a quadrilateral with four equal sides plus four right angles. The diagonals of a square bisect one another, plus bisect opposite angles which creates two angles of 45 degrees.
A square is a plane shape that is a quadrilateral that is 2D so it has length and width but not height.
A square has 4 congruent sides 4 equal sides.
Along with these 4 sides a square has 4 right angles
The diagonals are perpendicular and create 4 right angles.
The diagonals bisect each other.
The diagonals of a square also bisect opposite angles
and create equal 45 degree angles.
The diagonals create congruent triangles
Triangle ABC is congruent to ACD
A square can be considered a rhombus with four right angles or a square with 4 equal sides.

Rhombus properties| Quadrilateral Properties| Properties of Parallelograms | Square Rhombus | Rhombus Definition | Rectangle Definition |

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Tagged under: polygon,rectangle,rhombus,square,properties rectangle,properties rhombus,properties square,geometry,rhombus definition,square rhombus,rhombus properties,Rectangle square,Diagonal square

1 question

1. list the properties of these quadrilaterals (00:00:15)

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