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11 Cards in this Set
- Front
- Back
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Define centroid |
When the medians of a triangle are concurrent |
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Define concurrent |
Meet at a single point |
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Define parallelogram |
A quadrilateral with opposite sides that are parallel and opposite sides are equal in length |
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Define quadrilateral |
A polygon with 4 sides |
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Define rectangle |
A quadrilateral with opposite sides that are equal and has 4 right angles |
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Define rhombus |
a quadrilateral with 4 equal sides and opposite sides are parallel |
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Define square |
a quadrilateral with 4 right angles, 4 equal sides, and opposing sides are parallel |
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Define trapezoid |
A quadrilateral with only one pair of parallel sides |
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Define coincidence |
Geometric figures occupying the same place, in other words, overlapping geometric objects |
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Formula for midpoint |
m = x1 + x2/2, y1 + y2/2 |
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Formula for length |
square root [x2-x1(squared)] + [(y2-y1 squared)] |
