Properties of Parallelograms

A rhombus is a parallelogram with 

• four congruent sides

• four congruent diagonals

• four acute angles

• four congruent angles

Tags

CCSS.HSG.CO.C.11

All squares are parallelograms.

• True

• False

Tags

CCSS.HSG.CO.C.11

Find the measure indicated.

Tags

CCSS.HSG.CO.C.11

Determine the property being used to solve the problem.

• Opposite SIDES are congruent

• Opposite ANGLES are congruent

• Consecutive angles are supplementary

• Diagonals bisect each other

Tags

CCSS.HSG.CO.C.11

Determine the property being used to solve the problem.

• Opposite SIDES are congruent

• Opposite ANGLES are congruent

• Consecutive angles are supplementary

• Diagonals bisect each other

Tags

CCSS.HSG.CO.C.11

Which theorem shows that the quadrilateral is a parallelogram?

• Diagonals bisect eachother

• Opposite Sides Congruent

• Opposite Angles Congruent

• 1 set of Opposite Sides is Parallel and Congruent

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

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

Is the quadrilateral a parallelogram?

• Yes; one pair of opposite sides are parallel

• Yes; one pair of opposite sides are congruent

• Yes; one pair of opposite sides are parallel and congruent

• No; only one pair of sides are parallel

• No; only one pair of sides are congruent

Tags

CCSS.HSG.CO.C.11

Determine if the quadrilateral is a parallelogram and justify.

• Is a parallelogram because, opposite sides parallel

• Is a parallelogram because, opposite sides congruent

• Is a parallelogram because, opposite angles congruent

• Is a parallelogram because, one set of sides is parallel and congruent

• Not a parallelogram.

Tags

CCSS.HSG.CO.C.11