Special Parallelograms

What does it mean if diagonals are perpendicular (⊥)?

• They bisect the vertex
• Where they intersect is a 90˚ angle
• They are equal

Which of the following are properties of a rectangle

• Opposite sides congruent and parallel

• 4 right angles

• Diagonals congruent

• Diagonals perpendicular

• Diagonals bisect each other

In Rectangle ABCD, what is true about BD and AC with the proper reason?

• BD = AC, diagonals are congruent

• BD = AC, diagonals bisect each other

• 2(BD) = AC, diagonals bisect each oher

• BD = AC, opposite sides are congruent

Which is NOT a property of a parallelogram?

• Diagonals bisect each other
• Diagonals are congruent
• Both pairs of opposite sides are parallel
• Both pairs of opposite angles are congruent

The opposite angles of a parallelogram are ...

• complementary
• congruent
• supplementary
• perpendicular

In a parallelogram, consecutive angles are __________.

• congruent
• supplementary
• corresponding
• parallel

In a parallelogram, diagonals are __________.

• perpendicular
• bisected
• congruent
• parallel

Which shape is NOT a type of parallelogram?

• trapezoid
• rectangle
• rhombus
• square

The fact that diagonals are ⊥ means this shape is a  ________.

• quadrilateral
• rectangle
• rhombus
• parallelogram

The fact that diagonals bisect the opposite angles means this shape is a  ________.

• quadrilateral
• rectangle
• rhombus
• parallelogram