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  2. Parallelogram - Wikipedia

    en.wikipedia.org/wiki/Parallelogram

    The centers of four squares all constructed either internally or externally on the sides of a parallelogram are the vertices of a square. [8] If two lines parallel to sides of a parallelogram are constructed concurrent to a diagonal, then the parallelograms formed on opposite sides of that diagonal are equal in area. [8]

  3. Parallelogram law - Wikipedia

    en.wikipedia.org/wiki/Parallelogram_law

    For the general quadrilateral (with four sides not necessarily equal) Euler's quadrilateral theorem states + + + = + +, where is the length of the line segment joining the midpoints of the diagonals. It can be seen from the diagram that x = 0 {\displaystyle x=0} for a parallelogram, and so the general formula simplifies to the parallelogram law.

  4. Rhombus - Wikipedia

    en.wikipedia.org/wiki/Rhombus

    A rhombus therefore has all of the properties of a parallelogram: for example, opposite sides are parallel; adjacent angles are supplementary; the two diagonals bisect one another; any line through the midpoint bisects the area; and the sum of the squares of the sides equals the sum of the squares of the diagonals (the parallelogram law).

  5. Pappus's area theorem - Wikipedia

    en.wikipedia.org/wiki/Pappus's_area_theorem

    For squares on two sides of an arbitrary triangle it yields a parallelogram of equal area over the third side and if the two sides are the legs of a right angle the parallelogram over the third side will be square as well. For a right-angled triangle, two parallelograms attached to the legs of the right angle yield a rectangle of equal area on ...

  6. Kite (geometry) - Wikipedia

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

    Because of this symmetry, a kite has two equal angles and two pairs of adjacent equal-length sides. Kites are also known as deltoids, [1] but the word deltoid may also refer to a deltoid curve, an unrelated geometric object sometimes studied in connection with quadrilaterals. [2] [3] A kite may also be called a dart, [4] particularly if it is ...

  7. 5 Cheeses You Have to Try from Aldi, According to Customers - AOL

    www.aol.com/5-cheeses-try-aldi-according...

    $1.89 per 8-ounce block. Sharp Cheddar is a well-deserved favorite among Aldi shoppers, and it’s easy to see why. Its bold, tangy flavor makes it the perfect addition to nearly any dish.

  8. 5 Foods That Will Help You Live for 100 Years, According to ...

    www.aol.com/5-foods-help-live-100-194400761.html

    It helps to imagine food as a spectrum: At one end, you have nutrient-dense, anti-inflammatory foods (think: colorful vegetables, berries, high-quality olive oil, fatty fish, nuts, seeds, and ...

  9. Starbucks union votes to authorize strike ahead of last ...

    www.aol.com/news/starbucks-union-votes-authorize...

    Starbucks and Workers United have spent hundreds of hours this year at the bargaining table, and both sides have put forward dozens of tentative agreements, the union said in a press release.