Parallelogram:
- Opposite Angles Are Equal
...
Area = Bh
Perimeter = 2b+2c
Rhombus:
- All Postulates Of Parallelograms ...
Area = Bh = 1/2(d1xd2)
Perimeter = 4s
Rectangle:
- All Angles Are 90o
- Diagonals...
Area = Bh
Perimeter = 2b+2h
Square:
- All Sides Equal
- All Angles 90o
...
Area = Bh
Perimeter = 4s