13.2 Proving Quadrilaterals

In order for ABCD to be a parallelogram, what must the value of x be?

• 132
• 66
• 114
• 48

Tags

CCSS.HSG.CO.C.11

Is the quadrilateral a parallelogram?

• Yes

• No

• Not enough information.

Tags

CCSS.HSG.CO.C.11

Determine the value of x and y that would classify this quadrilateral as a parallelogram. 

• x = 9 ; y = 16
• x = 16; y = 9

Tags

CCSS.HSG.CO.C.11

How long is the side CD?

• 7
• 3
• 35
• 27

Tags

CCSS.HSG.CO.C.11

Is this a parallelogram? How do we know?

• yes,opposite sides are congruent

• no we can not prove it is a parallelogram

• yes, one pair of sides are congruent and parallel

• yes, opposite sides are parallel

• yes, diagonals bisect each other

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

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

Find the value of x that makes the quadrilateral a parallelogram.

• 29

• 42

• 78

• 11

Tags

CCSS.HSG.CO.C.11

Find the value of x that makes the quadrilateral a parallelogram.

• 5

• 35

• 75

• 55

Tags

CCSS.HSG.CO.C.11

If a quadrilateral has 4 equal sides, then it is a square. 

• TRUE
• FALSE

Tags

CCSS.HSG.CO.C.11