Geometry - Proving Parallelograms

State which method we can use to show that the quadrilateral is a parallelogram. 

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

Tags

CCSS.HSG.CO.C.11

Is there enough information to determine that this quadrilateral is a parallelogram?

• yes, all opposite sides are congruent

• yes, opposite angles are congruent

• yes, opposite sides are parallel

• yes, consecutive interior angles are supplementary

Tags

CCSS.HSG.CO.C.11

In a parallelogram, consecutive angles are __________.

• congruent
• supplementary
• corresponding
• parallel

Tags

CCSS.HSG.CO.C.11

State which method we can use to show that the quadrilateral is a parallelogram. 

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

Tags

CCSS.HSG.CO.C.11

In a parallelogram, opposite angles are __________.

• congruent

• supplementary

• corresponding

• parallel

Tags

CCSS.HSG.CO.C.11

If ABCD is a parallelogram, what is the length of BD? 

• 10
• 11
• 7
• 5

Tags

CCSS.HSG.CO.C.11

The diagonals of a parallelogram

• are always congruent
• bisect each other
• are never congruent
• parallel

Tags

CCSS.HSG.CO.C.11

The opposite sides of a parallelogram are

• congruent
• perpendicular
• skew
• supplementary

Tags

CCSS.HSG.CO.C.11

• 60

• 120

• 40

• 20

Tags

CCSS.HSG.CO.C.11

The figure is a parallelogram.  
Solve for x.  

• 7
• 2
• 0
• 4

Tags

CCSS.HSG.CO.C.11