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  2. Van Hiele model - Wikipedia

    en.wikipedia.org/wiki/Van_Hiele_model

    They recognize that all squares are rectangles, but not all rectangles are squares, and they understand why squares are a type of rectangle based on an understanding of the properties of each. They can tell whether it is possible or not to have a rectangle that is, for example, also a rhombus.

  3. Counterexample - Wikipedia

    en.wikipedia.org/wiki/Counterexample

    She conjectures that "All rectangles are squares", and she is interested in knowing whether this statement is true or false. In this case, she can either attempt to prove the truth of the statement using deductive reasoning, or she can attempt to find a counterexample of the statement if she suspects it to be false. In the latter case, a ...

  4. Rectangle - Wikipedia

    en.wikipedia.org/wiki/Rectangle

    A database of all known perfect rectangles, perfect squares and related shapes can be found at squaring.net. The lowest number of squares need for a perfect tiling of a rectangle is 9 [19] and the lowest number needed for a perfect tilling a square is 21, found in 1978 by computer search. [20]

  5. Syllogism - Wikipedia

    en.wikipedia.org/wiki/Syllogism

    So in AAI-3, the premise "All squares are rectangles" becomes "MaP"; the symbols mean that the first term ("square") is the middle term, the second term ("rectangle") is the predicate of the conclusion, and the relationship between the two terms is labeled "a" (All M are P).

  6. Similarity (geometry) - Wikipedia

    en.wikipedia.org/wiki/Similarity_(geometry)

    For example, all circles are similar to each other, all squares are similar to each other, and all equilateral triangles are similar to each other. On the other hand, ellipses are not all similar to each other, rectangles are not all similar to each other, and isosceles triangles are not all similar to each other. This is because two ellipses ...

  7. Fact check: Debunking 16 false claims Trump made at ... - AOL

    www.aol.com/fact-check-trump-repeats-numerous...

    Former President Donald Trump repeated a series of false claims, many of which have long been debunked, about immigration and other subjects in his speech at a Sunday evening rally at Madison ...

  8. Square - Wikipedia

    en.wikipedia.org/wiki/Square

    The square has Dih 4 symmetry, order 8. There are 2 dihedral subgroups: Dih 2, Dih 1, and 3 cyclic subgroups: Z 4, Z 2, and Z 1. A square is a special case of many lower symmetry quadrilaterals: A rectangle with two adjacent equal sides; A quadrilateral with four equal sides and four right angles; A parallelogram with one right angle and two ...

  9. Supposed Trump post telling Elon Musk to 'stay in your lane ...

    www.aol.com/supposed-trump-post-telling-elon...

    All the different hoaxes, and the new one is, ‘President Trump has ceded the presidency to Elon Musk,’” Trump said, according to Politico. “No, no. “No, no. That’s not happening.”