The diagonals of a parallelogram _______ each other.
Proving Quadrilaterals

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Mathematics
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
bisect
2.
FLASHCARD QUESTION
Front
Opposite sides of parallelograms are _______ and _______.
Back
parallel and congruent
3.
FLASHCARD QUESTION
Front
If you wanted to prove that Quadrilateral ABCD is a Parallelogram, what would be the best piece of evidence to use?
Back
Slope of AC = Slope of BD, therefore Side AC is parallel to Side BD
4.
FLASHCARD QUESTION
Front
What is the length of Side AC?
Back
√(29)
5.
FLASHCARD QUESTION
Front
A quadrilateral with one pair of parallel sides is called a _______.
Back
trapezoid
6.
FLASHCARD QUESTION
Front
In a parallelogram, the opposite angles are _______.
Back
congruent
7.
FLASHCARD QUESTION
Front
The sum of the interior angles of a quadrilateral is _______.
Back
360 degrees
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