Parallelogram Geometry

Which of the following is true about parallelograms?

• Opposite sides are equal

• Opposite angles are equal

• Consecutive angles are supplementary

• All of the above.

Tags

CCSS.HSG.CO.C.11

Fill in the blank: In a parallelogram, consecutive angles are ____.

• supplementary

• equal

• complementary

• right angles

Tags

CCSS.HSG.CO.C.11

Which of the following is true about the angles of a parallelogram?

• All angles are equal

• Opposite angles are equal

• Adjacent angles are equal

• No angles are equal

Tags

CCSS.HSG.CO.C.11

What is the sum of the measures of consecutive angles in a parallelogram?

• 90 degrees

• 180 degrees

• 360 degrees

• 270 degrees

Tags

CCSS.HSG.C.A.3

Find the values of x and y that make

the quadrilateral a parallelogram.

​ ​ x=​ (a)  

y=​ (b)  

• 1

• 6

• 2

• 3

• 4

• 5

• 7

• 8

• 9

• 10

Tags

CCSS.HSG.CO.C.11

• A

• B

• C

• D

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

State which theorem you can use to show that the quadrilateral is a parallelogram.​

• Parallelogram Opposite Angles Converse

• Parallelogram Opposite Sides Converse

• Opposite Sides Parallel and Congruent Theorem

• Definition of a Parallelogram

• Parallelogram Diagonals Converse

Tags

CCSS.HSG.CO.C.11

Refer to parallelogram ABCD. LABEL what angle BCD should be.

a

260

114

65

25

Tags

CCSS.HSG.CO.C.11

Refer to parallelogram ABCD. LABEL what side AD should be.

a

14

2.5

173

7

Tags

CCSS.HSG.CO.C.11