Question

Please help! i need to answer this questions:

Parallelogram:
Opposite sides are (1) __________
Opposite sides are congruent
Adjacent angles are supplementary
Opposite Angles (2)___________

Rectangle:
Is also a Parallelogram
Opposite sides are parallel
Opposite sides are congruent
Adjacent angles are ­­­­­­­(3)______________
Opposite angles are congruent
Has 4 right angles
Diagonals are (4)____________

Answer 1

check this http://www.wyzant.com/Help/Math/Geometry/Quadrilaterals/Properties_of_Parallelograms.aspx

Answer 2

Please help and there is another one:
Rhombus:

Is also a (5) _____________
Opposite sides are parallel
Opposite sides are congruent
Adjacent angles are supplementary
Opposite Angles are Congruent
Diagonals are (6)_____________
All four sides are (7)______________

Square:

Is also a Parallelogram
Is also a (8)_____________
Is also a (9)______________
Opposite sides are parallel
Opposite sides are congruent
Adjacent angles are supplementary
Opposite angles are congruent
Has 4 (10)______ angles
Diagonals are (11)______________
Diagonals are perpendicular
All four sides are congruent

Answer 3

http://www.mathsisfun.com/quadrilaterals.html