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  2. Wikipedia:Reference desk/Archives/Mathematics/2010 January 11

    en.wikipedia.org/wiki/Wikipedia:Reference_desk/...

    What is the formular to find the perimeter of a trapezium —Preceding unsigned comment added by 202.170.37.10 03:31, 11 January 2010 (UTC) What information do you know? Often you know at least two of the four side lengths, and you can usually find the others by using the Pythagorean theorem .

  3. Symbolab - Wikipedia

    en.wikipedia.org/wiki/Symbolab

    Symbolab is an answer engine [1] that provides step-by-step solutions to mathematical problems in a range of subjects. [2] It was originally developed by Israeli start-up company EqsQuest Ltd., under whom it was released for public use in 2011. In 2020, the company was acquired by American educational technology website Course Hero. [3] [4]

  4. Trapezoidal rule - Wikipedia

    en.wikipedia.org/wiki/Trapezoidal_rule

    In calculus, the trapezoidal rule (also known as the trapezoid rule or trapezium rule) [a] is a technique for numerical integration, i.e., approximating the definite integral: (). The trapezoidal rule works by approximating the region under the graph of the function f ( x ) {\displaystyle f(x)} as a trapezoid and calculating its area.

  5. List of soups - Wikipedia

    en.wikipedia.org/wiki/List_of_soups

    A soup thickened with Egusi, the culinary name for various types of seeds from gourd plants, like melon and squash. Ezogelin soup: Turkey: Chunky Savory soup made by red lentil, bulgur, onion, garlic, salt, olive oil, black pepper, hot pepper and peppermint Escudella: Spain Stew A traditional Catalan meat and vegetable stew and soup. Typically ...

  6. Baker percentage - Wikipedia

    en.wikipedia.org/wiki/Baker_percentage

    The baker has determined how much a recipe's ingredients weigh, and uses uniform decimal weight units. All ingredient weights are divided by the flour weight to obtain a ratio, then the ratio is multiplied by 100% to yield the baker's percentage for that ingredient: Using a balance to measure a mass of flour.

  7. Perimeter - Wikipedia

    en.wikipedia.org/wiki/Perimeter

    A perimeter is a closed path that encompasses, surrounds, or outlines either a two dimensional shape or a one-dimensional length. The perimeter of a circle or an ellipse is called its circumference. Calculating the perimeter has several practical applications. A calculated perimeter is the length of fence required to surround a yard or garden.

  8. Calculator input methods - Wikipedia

    en.wikipedia.org/wiki/Calculator_input_methods

    On a single-step or immediate-execution calculator, the user presses a key for each operation, calculating all the intermediate results, before the final value is shown. [ 1 ] [ 2 ] [ 3 ] On an expression or formula calculator , one types in an expression and then presses a key, such as "=" or "Enter", to evaluate the expression.

  9. Tangential trapezoid - Wikipedia

    en.wikipedia.org/wiki/Tangential_trapezoid

    The formula for the area of a trapezoid can be simplified using Pitot's theorem to get a formula for the area of a tangential trapezoid. If the bases have lengths a, b, and any one of the other two sides has length c, then the area K is given by the formula [2] (This formula can be used only in cases where the bases are parallel.)