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  2. Area of a triangle - Wikipedia

    en.wikipedia.org/wiki/Area_of_a_triangle

    In geometry, calculating the area of a triangle is an elementary problem encountered often in many different situations. The best known and simplest formula is T = b h / 2 , {\displaystyle T=bh/2,} where b is the length of the base of the triangle, and h is the height or altitude of the triangle.

  3. Heron's formula - Wikipedia

    en.wikipedia.org/wiki/Heron's_formula

    A triangle with sides a, b, and c. In geometry, Heron's formula (or Hero's formula) gives the area of a triangle in terms of the three side lengths ⁠, ⁠ ⁠, ⁠ ⁠. ⁠ Letting ⁠ ⁠ be the semiperimeter of the triangle, = (+ +), the area ⁠ ⁠ is [1]

  4. Pick's theorem - Wikipedia

    en.wikipedia.org/wiki/Pick's_theorem

    Because each special triangle has area , a polygon of area will be subdivided into special triangles. [ 5 ] The subdivision of the polygon into triangles forms a planar graph , and Euler's formula V − E + F = 2 {\displaystyle V-E+F=2} gives an equation that applies to the number of vertices, edges, and faces of any planar graph.

  5. Triangle - Wikipedia

    en.wikipedia.org/wiki/Triangle

    The area formula for a triangle can be proven by cutting two copies of the triangle into pieces and rearranging them into a rectangle. In the Euclidean plane, area is defined by comparison with a square of side length ⁠ ⁠, which has area 1. There are several ways to calculate the area of an arbitrary triangle.

  6. 10 of the best Trader Joe's products for a holiday party ...

    www.aol.com/10-best-trader-joes-products...

    Private chef Mila Furman shared her top Trader Joe's picks for holiday entertaining. Furman, a Chicago-based chef, has shopped at Trader Joe's for over 20 years. Her recommendations include ...

  7. Brahmagupta's formula - Wikipedia

    en.wikipedia.org/wiki/Brahmagupta's_formula

    This formula generalizes Heron's formula for the area of a triangle. A triangle may be regarded as a quadrilateral with one side of length zero. From this perspective, as d approaches zero, a cyclic quadrilateral converges into a cyclic triangle (all triangles are cyclic), and Brahmagupta's formula simplifies to Heron's formula.

  8. US Park Police officer won't be charged in shooting death of ...

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    On Thursday, the United States Attorney's Office for the District of Columbia said a U.S. Park Police officer who killed a 17-year-old will not face charges.

  9. Wendy Williams is 'permanently incapacitated' amid dementia ...

    www.aol.com/wendy-williams-permanently...

    Wendy Williams' health has taken a turn for the worse amid her battle with dementia and aphasia. The former "Wendy Williams Show" host, 60, has become "cognitively impaired and permanently ...

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