Unit 8 Day 2 Properties of Parallelograms

Unit 8 Day 2 Properties of Parallelograms

By Steven Giesting

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Fill in the Blanks

​In parallelogram BADC, angle B & angle C are supplementary.

But angle C and angle D are also supplementary.​

Since angle B and angle D are both supplementary to the same angle, what would it mean about these angles?​

They would be congruent.

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If a quadrilateral is a parallelogram, then its opposite angles are congruent.​

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​Property 2 of a Parallelogram

​If a quadrilateral is a parallelogram, then its opposite angles are congruent

Multiple Choice

If ABCD is a parallelogram, what is the measure of $$\angle C$$  

• 150

• 60

• 30

• 90

Multiple Choice

If CDAB is a parallelogram, solve for x

• 85

• 60

• 70

• 95

​Property 3 of a Parallelogram

​Property 3 of a Parallelogram

​If a quadrilateral is a parallelogram, then opposite sides are congruent.

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​Property 4 of a Parallelogram

​If a quadrilateral is a parallelogram, then its diagonals bisect each other

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