What is a parallelogram?
LT 19 Practice

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Mathematics
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9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A parallelogram is a four-sided figure (quadrilateral) with opposite sides that are parallel and equal in length.
2.
FLASHCARD QUESTION
Front
What are the properties of the diagonals in a rhombus?
Back
In a rhombus, the diagonals are always perpendicular to each other and bisect each other.
3.
FLASHCARD QUESTION
Front
How can you prove that a parallelogram is a square?
Back
To prove a parallelogram is a square, you need to show that all sides are equal and the angles are right angles.
4.
FLASHCARD QUESTION
Front
What is the formula for the perimeter of a rhombus?
Back
The perimeter of a rhombus is calculated as P = 4a, where 'a' is the length of one side.
5.
FLASHCARD QUESTION
Front
What does it mean for diagonals to be congruent?
Back
Congruent diagonals are diagonals that are equal in length.
6.
FLASHCARD QUESTION
Front
What is the relationship between the angles of a rhombus?
Back
In a rhombus, opposite angles are equal, and adjacent angles are supplementary (add up to 180 degrees).
7.
FLASHCARD QUESTION
Front
What is the significance of perpendicular diagonals in a rhombus?
Back
Perpendicular diagonals in a rhombus indicate that the rhombus can be divided into four right triangles.
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