• The intercept theorem, also known as Thales's theorem, basic proportionality theorem or side splitter theorem, is an important theorem in elementary geometry...
    21 KB (2,273 words) - 15:33, 2 April 2025
  • Thumbnail for Midpoint theorem (triangle)
    third side and have half of its length. The midpoint theorem generalizes to the intercept theorem, where rather than using midpoints, both sides are partitioned...
    4 KB (647 words) - 09:10, 9 March 2025
  • Thumbnail for Homothety
    1 {\displaystyle SP_{1}} can be constructed graphically using the intercept theorem: Q 2 {\displaystyle Q_{2}} is the common point th two lines P 1 P...
    12 KB (2,065 words) - 08:18, 13 June 2025
  • Thumbnail for Thales of Miletus
    Thales is the namesake of Thales's theorem, and the intercept theorem can also be referred to as Thales's theorem. Thales was said to have calculated...
    62 KB (7,205 words) - 20:24, 7 June 2025
  • Intercept, an American left-wing news organization Interception (disambiguation) Interceptor (disambiguation) Intercept theorem, an important theorem...
    1 KB (177 words) - 04:32, 16 September 2024
  • Thumbnail for Constructible number
    construction based on the intercept theorem. A slightly less elementary construction using these tools is based on the geometric mean theorem and will construct...
    33 KB (4,921 words) - 20:46, 11 June 2025
  • angle theorem (geometry) Intercept theorem (Euclidean geometry) Intersecting chords theorem (Euclidean geometry) Intersecting secants theorem (Euclidean...
    78 KB (6,289 words) - 12:34, 6 June 2025
  • Thumbnail for Apollonius's theorem
    In geometry, Apollonius's theorem is a theorem relating the length of a median of a triangle to the lengths of its sides. It states that the sum of the...
    7 KB (776 words) - 09:17, 27 March 2025
  • Thumbnail for Triangulation
    his own at the same moment, and compared the ratios to his height (intercept theorem). Thales also estimated the distances to ships at sea as seen from...
    6 KB (672 words) - 00:40, 31 January 2025
  • Thumbnail for Straightedge and compass construction
    three new equal segments and in many parts required by the use of intercept theorem. In 1998 Simon Plouffe gave a ruler-and-compass algorithm that can...
    36 KB (4,826 words) - 07:34, 9 June 2025
  • Thumbnail for Transversal (instrument making)
    times by vernier scales. This method is based on the Intercept theorem (also known as Thales's theorem). Transversals were used at a time when finely graduated...
    12 KB (1,328 words) - 08:56, 15 April 2024
  • Thumbnail for Euclid
    the later tradition of Alexandria. In the Elements, Euclid deduced the theorems from a small set of axioms. He also wrote works on perspective, conic sections...
    45 KB (4,421 words) - 18:20, 2 June 2025
  • Thumbnail for Inscribed angle
    inscribed angle theorem relates the measure of an inscribed angle to that of the central angle intercepting the same arc. The inscribed angle theorem appears...
    12 KB (1,346 words) - 21:42, 24 February 2025
  • Thumbnail for Anchor
    less than the scope ratio. The basis for this is simple geometry (Intercept Theorem): The ratio between two sides of a triangle stays the same regardless...
    56 KB (7,832 words) - 23:14, 7 June 2025
  • Thumbnail for Squaring the circle
    proven to be impossible, as a consequence of the Lindemann–Weierstrass theorem, which proves that pi ( π {\displaystyle \pi } ) is a transcendental number...
    45 KB (4,923 words) - 22:07, 19 April 2025
  • Thumbnail for Quadratrix of Hippias
    {\displaystyle n} equal parts with ruler and compass is possible due to the intercept theorem. In more detail, to divide a given angle ∠ B A E {\displaystyle \angle...
    25 KB (3,217 words) - 22:05, 19 April 2025
  • Thumbnail for Euler's quadrilateral theorem
    {|AC|}{|AM|}}={\tfrac {|AE|}{|AN|}}} . Therefore, it follows from the intercept theorem (and its converse) that C E {\displaystyle CE} and N M {\displaystyle...
    5 KB (808 words) - 21:01, 30 June 2021
  • Thumbnail for Parabola
    Parabola (redirect from Lambert's Theorem)
    {\displaystyle {\overline {PB}}\parallel {\overline {ZD}}} . From intercept theorem and Z D ¯ = Z A ¯ {\displaystyle {\overline {ZD}}={\overline {ZA}}}...
    80 KB (13,447 words) - 19:44, 31 May 2025
  • Thumbnail for Ancient Greek mathematics
    Greek mathematics is obscure, and traditional narratives of mathematical theorems found before the fifth century BC are regarded as later inventions. It...
    56 KB (6,561 words) - 22:42, 10 June 2025
  • problem intercept, y-intercept, x-intercept Intersection number Intrinsic equation Isoperimetric inequality Jordan curve Jordan curve theorem Knot Limit...
    3 KB (262 words) - 20:23, 11 March 2022
  • Thumbnail for Zero of a function
    polynomial is a zero of the corresponding polynomial function. The fundamental theorem of algebra shows that any non-zero polynomial has a number of roots at...
    9 KB (1,140 words) - 02:25, 18 April 2025
  • Bézout's theorem is a statement concerning the number of common zeros of n polynomials in n indeterminates. In its original form the theorem states that...
    24 KB (3,574 words) - 02:08, 16 June 2025
  • segments (not to be confused with the above); usually referred to as the Intercept theorem Thale (disambiguation) Thalys, European train service This disambiguation...
    1 KB (205 words) - 13:29, 3 March 2025
  • Thumbnail for A History of Greek Mathematics
    bisector theorem Exterior angle theorem Euclidean algorithm Euclid's theorem Geometric mean theorem Hinge theorem Inscribed angle theorem Intercept theorem Intersecting...
    14 KB (1,558 words) - 22:49, 22 May 2025
  • Thumbnail for Brahmagupta theorem
    In geometry, Brahmagupta's theorem states that if a cyclic quadrilateral is orthodiagonal (that is, has perpendicular diagonals), then the perpendicular...
    3 KB (304 words) - 21:49, 1 December 2024
  • Thumbnail for List of Greek inventions and discoveries
    mathematical discovery has been attributed. Intercept theorem: Also attributed to Thales is the fundamental theorem of geometry that states that the ratios...
    88 KB (11,374 words) - 06:28, 6 June 2025
  • bisector theorem Exterior angle theorem Euclidean algorithm Euclid's theorem Geometric mean theorem Hinge theorem Inscribed angle theorem Intercept theorem Intersecting...
    2 KB (210 words) - 16:37, 29 April 2025
  • his own at the same moment, and compared the ratios to his height (intercept theorem). Such techniques would have been familiar to the ancient Egyptians...
    163 KB (17,959 words) - 21:07, 23 May 2025
  • Thumbnail for Homothetic center
    work is done to find out exactly which two circles are the solution. Intercept theorem Similarity (geometry) Homothetic transformation Radical axis, radical...
    21 KB (2,817 words) - 11:04, 13 February 2025
  • Thumbnail for Power of a point
    circle, then Π ( P ) < 0 {\displaystyle \Pi (P)<0} . Due to the Pythagorean theorem the number Π ( P ) {\displaystyle \Pi (P)} has the simple geometric meanings...
    19 KB (3,478 words) - 18:20, 15 February 2025