Parallelograms are geometric figures with congruent and parallel opposite sides, equal opposite angles, and supplementary adjacent angles. They feature diagonals that bisect each other, creating congruent triangles. Special types include rhombuses, rectangles, and squares, each with unique properties. Understanding these shapes is crucial for spatial reasoning and problem-solving in geometry.
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1
Parallelogram opposite sides
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Parallelogram opposite angles
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Parallelogram adjacent angles
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4
In parallelograms, angles on ______ sides are equal, while angles next to each other add up to ______ degrees.
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Diagonal Bisecting Property
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Diagonal's Equidistant Nature
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Diagonals Form Congruent Triangles
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8
In geometry, the formula for the ______ of a parallelogram is the product of its ______ and the length of a perpendicular segment from this side to its opposite, known as the ______.
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Rhombus diagonals properties
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Rectangle diagonals properties
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Square definition in terms of rhombus and rectangle
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12
The area of a parallelogram is determined by a specific ______, and variations like ______, rectangles, and squares have unique properties.
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