pedal triangle
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Pedal triangle — In geometry, a pedal triangle is obtained by projecting a point onto the sides of a triangle.More specifically, consider a triangle ABC , and a point P that is not one of the vertices A, B, C . Drop perpendiculars from P to the three sides of the … Wikipedia
Pedal — Distinguish from paddle and petal and the verb peddle.The word pedal comes from the Latin (, Pedis) and relates to the foot.A pedal is a lever activated by one s foot. Examples include:* Automobile pedal * Bicycle pedal * Pedalo, a small boat,… … Wikipedia
Triangle — This article is about the basic geometric shape. For other uses, see Triangle (disambiguation). Isosceles and Acute Triangle redirect here. For the trapezoid, see Isosceles trapezoid. For The Welcome to Paradox episode, see List of Welcome to… … Wikipedia
pédal — pédal, ale, aux [pedal, o] adj. ÉTYM. 1878; lat. pedalis « d un pied; du pied ». ❖ 1 Rare. Qui a rapport au pied. ⇒ Pédieux. 2 Géom. || Triangle pédal, qui a pour sommets les pieds des hauteurs d un autre triangle. ❖ HOM. Pédale … Encyclopédie Universelle
Triangle — Pour les articles homonymes, voir Triangle (homonymie). Un triangle. En géométrie euclidienne, un trian … Wikipédia en Français
Altitude (triangle) — Orthocenter and Orthocentre redirect here. For the orthocentric system, see Orthocentric system. Three altitudes intersecting at the orthocenter In geometry, an altitude of a triangle is a straight line through a vertex and perpendicular to (i.e … Wikipedia
List of triangle topics — This list of triangle topics includes things related to the geometric shape, either abstractly, as in idealizations studied by geometers, or in triangular arrays such as Pascal s triangle or triangular matrices, or concretely in physical space.… … Wikipedia
Medial triangle — The red triangle is the medial triangle of the black. The endpoints of the red triangle coincide with the midpoints of the black triangle. The medial triangle of a triangle ABC is the triangle with vertices at the midpoints of the triangle s… … Wikipedia
Cubic plane curve — A selection of cubic curves. See information page for details. Cubic curve redirects here. For information on polynomial functions of degree 3, see Cubic function. In mathematics, a cubic plane curve is a plane algebraic curve C defined by a… … Wikipedia
Conjugué isogonal — Pour les articles homonymes, voir Isogonal. Sommaire 1 Droites antiparallèles 2 Droites isogonales 2.1 … Wikipédia en Français
Simson line — In geometry, given a triangle and a point on its circumcircle, the intersections formed when lines are constructed from the point perpendicular to each of the triangle s sides are collinear. The line through these points is the Simson line, named … Wikipedia
