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anonymous

  • one year ago

Math (geometry) help please!! A Venn Diagram is shown. Which set of definitions make the diagram accurate? A. X = the set of parallelograms, Y = the set of squares, Z = the set of rectangles B. X = the set of quadrilaterals, Y = the set of parallelograms, Z = the set of rectangles C. X = the set of rectangles, Y = the set of squares, Z = the set of quadrilaterals D. X = the set of rectangles, Y = the set of rhombi, Z = the set of trapezoids

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  1. anonymous
    • one year ago
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  2. Loser66
    • one year ago
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    What is a quadrilateral?

  3. anonymous
    • one year ago
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    @Loser66 A quadrilateral is a four-sided polygon with four angles. There are many kinds of quadrilaterals. The five most common types are the parallelogram, the rectangle, the square, the trapezoid, and the rhombus.

  4. Loser66
    • one year ago
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    Good now what is a parallelogram?

  5. anonymous
    • one year ago
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    @Loser66 Parallelogram. A 4-sided flat shape with straight sides where opposite sides are parallel. NOTE: Squares, Rectangles and Rhombuses are all Parallelograms!

  6. Loser66
    • one year ago
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    ok, that means, if a shape is a parllelogram, first of, it must be a quadrilateral, right?

  7. anonymous
    • one year ago
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    @Loser66 yes

  8. Loser66
    • one year ago
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    But not vice versa, right? I meant, if it is a quadrilateral, it is no necessary that it is a parallelogram. That is |dw:1436278329124:dw|

  9. Loser66
    • one year ago
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    |dw:1436278366859:dw|

  10. Loser66
    • one year ago
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    Got what I meant?

  11. anonymous
    • one year ago
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    Yup I follow so far

  12. Loser66
    • one year ago
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    What is a rectangle?

  13. anonymous
    • one year ago
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    Rectangle. A 4-sided flat shape with straight sides where all interior angles are right angles (90°). Also opposite sides are parallel and of equal length. Example: A square is a special type of rectangle.

  14. Loser66
    • one year ago
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    http://dictionary.reference.com/browse/rectangle

  15. Loser66
    • one year ago
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    What does it mean? It means to be a rectangle, the shape must be a parallelogram first, right?

  16. anonymous
    • one year ago
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    Yes

  17. Loser66
    • one year ago
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    so, |dw:1436278793919:dw|

  18. Loser66
    • one year ago
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    Hence, the correct answer is???

  19. anonymous
    • one year ago
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    B?

  20. Loser66
    • one year ago
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    yup

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