POWERPOINT PRESENTATION

2. PROPERTIES
 Four sides (edges)
 Four vertices (corners)
 The interior angles add up to 360 degrees:

3. TYPES OF QUADRILATERALS
 Parallelogram
 Rectangle
 Rhombus
 Square
 Trapezium
 Kite

5.  A rhombus is a four-sided shape where all sides have
equal length.
 Also opposite sides are parallel and opposite angles are
equal.
 Another interesting thing is that the diagonals "bisect”
each other at right angles.
 A rhombus is sometimes called a rhomb or
a diamond.

6. 
 a b
a b
 c d
 a
c d

7. 
d1
d2 Area = ½(d1d2)