Properties of Parallelograms and Special Parallelograms Video

A quadrilateral opposite angles congruent would best be described as a -?-

• square

• rectangle

• rhombus

• parallelogram

A parallelogram that is both a rhombus and a rectangle is called a __________.

• Quadrilateral

• Parallelogram

• Trapezoid

• Square

Find y.

• 2

• 4

• 15

• 10

Which quadrilateral has all the properties listed:
- All sides are congruent
- Opposite sides are parallel
- Opposite angles are congruent
-Sides are not perpendicular 

• Square

• Rectangle

• Trapezoid

• Rhombus

The figure is a parallelogram.

Solve for x.

• x = 1

• x = 11

• x = 7

• x = 6

Prove that if a quadrilateral is a parallelogram, then the opposite sides are congruent.

• parallel

• Alternate Interior Angles Theorem.

• Reflexive Property.

• ASA≅

• Corresponding Parts of Congruent Triangles are Con

In the parallelogram ABCD: AB =x+8, BC=2x, CD=2y+5, DA=3y. Find the values of x and y.

• x = 9 and y = 6

• x = 6 and y = 9

• x = 8 and y = 5

• x = 5 and y = 8

Prove that if a quadrilateral is a parallelogram, then the opposite sides are congruent.

• parallel

• Alternate Interior Angles Theorem.

• Reflexive Property.

• ASA≅

• Corresponding Parts of Congruent Triangles are Con

What is the measure of angle D?

• 132

• 66

• 114

• 48

Determine whether the figure is a parallelogram.  If so, state the reason.

• Yes, quadrilateral with 2 pairs of opposite sides ≅

• Yes, quad with any ∠ supplementary to both consecutive ∠s

• Yes, quad with 1 pair of opposite sides || and ≅

• not a parallelogram