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Brookstone Geo 2 and 6
geometry
Brookstone Geo 2 and 6
Author:
Russell Davis
Topic:
Geometry
geometry
the famous "1/7" triangle
ptolemy's theorems
pythagorean and galileo's law
pythagorean theorem (proof)
ratio of areas-1
ratio of areas-2
regular polygons-1
sum of the interior angles of a n-gon
secant-secant theorem
square vs rhombus
supplementary angles
tangent-chord angle
the famous "1/5" square
Thales' theorem
tangent-secant theorem
the angle bisector theorems
the lunes of Alhazen
the lune of Hippocrates
the outer Napoleon triangle
triangle angle-sum theorem
the three squares problem
triangle midpoint theorem
vivianni's theorem
proof of pythagorean-5
parallel chords theorem
five squares
Garfield's proof for pythagorean theorem
median to the hypotenuse
power of a point
chord theorem
cuboid
diagonals of n-gons
double reflection
equal chords
equilateral triangle (SAS)
equal chords-1
area of a triangle
areas inside a trapezoid
areas of similar triangles
area of an equilateral triangle
area of a triangle-2
areas inside a parallelogram
areas-3
area of a trapezoid
area of a quadrilateral
area of a kite
area of a rectangle
archimedes' "salinon"
area of a parallelogram
area of a rectangle-1
archimedes' arbelos
a Reuleaux triangle
a square in a square
angle bisector as locus
angle between secants
Johnson's theorem
geometric mean theorem
frustum of a right cone
proof of pythagorean-9
euclid's proof of pythagorean
circles of a regular n-gon
Next
the famous "1/7" triangle
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