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  2. Kite (geometry) - Wikipedia

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

    Kite (geometry) A kite, showing its pairs of equal-length sides and its inscribed circle. In Euclidean geometry, a kite is a quadrilateral with reflection symmetry across a diagonal. 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 ...

  3. Tax returns in the United States - Wikipedia

    en.wikipedia.org/wiki/Tax_returns_in_the_United...

    Tax returns, in the more narrow sense, are reports of tax liabilities and payments, often including financial information used to compute the tax. A very common federal tax form is IRS Form 1040. A tax return provides information so that the taxation authority can check on the taxpayer's calculations, or can determine the amount of tax owed if ...

  4. Deltoidal icositetrahedron - Wikipedia

    en.wikipedia.org/wiki/Deltoidal_icositetrahedron

    In geometry, the deltoidal icositetrahedron (or trapezoidal icositetrahedron, tetragonal icosikaitetrahedron, [ 1 ]tetragonal trisoctahedron, [ 2 ]strombic icositetrahedron) is a Catalan solid. Its 24 faces are congruent kites. [ 3 ] The deltoidal icositetrahedron, whose dual is the (uniform) rhombicuboctahedron, is tightly related to the ...

  5. IRS tax forms - Wikipedia

    en.wikipedia.org/wiki/IRS_tax_forms

    Main article: Form 1040. As of the 2018 tax year, Form 1040, U.S. Individual Income Tax Return, is the only form used for personal (individual) federal income tax returns filed with the IRS. In prior years, it had been one of three forms (1040 [the "Long Form"], 1040A [the "Short Form"] and 1040EZ - see below for explanations of each) used for ...

  6. Form 1040 - Wikipedia

    en.wikipedia.org/wiki/Form_1040

    Form 1040, officially, the U.S. Individual Income Tax Return, is an IRS tax form used for personal federal income tax returns filed by United States residents. The form calculates the total taxable income of the taxpayer and determines how much is to be paid to or refunded by the government. Income tax returns for individual calendar-year ...

  7. Convex set - Wikipedia

    en.wikipedia.org/wiki/Convex_set

    Equivalently, a convex set or a convex region is a set that intersects every line in a line segment, single point, or the empty set. [ 1 ][ 2 ] For example, a solid cube is a convex set, but anything that is hollow or has an indent, for example, a crescent shape, is not convex. The boundary of a convex set in the plane is always a convex curve.

  8. Kite types - Wikipedia

    en.wikipedia.org/wiki/Kite_types

    Colorful delta-wing kite... Kites are tethered flying objects which fly by using aerodynamic lift, requiring wind (or towing) for generation of airflow over the lifting surfaces. Various types of kites exist, [ 1 ] depending on features such as material, shape, use, or operating skills,Wind required. Kites may fly in air, water, or other fluids ...

  9. Form 1099 - Wikipedia

    en.wikipedia.org/wiki/Form_1099

    Payers who file 250 or more Form 1099 reports must file all of them electronically with the IRS. [6] If the fewer than 250 requirement is met, and paper copies are filed, the IRS also requires the payer to submit a copy of Form 1096, which is a summary of information forms being sent to the IRS. However, 1096 is not required if 1099 form filed ...