interactive maths for mobiles & iPads

 

Euclidian geometry: circles functions & graphs

line through centre and midpoint of chord

 graphs of the basic functions
line from centre perpendicular to chord quadratic function (general)
angle at the centre and circumference cubic function (general)
angle on diameter of circle y = sin x & table
angles at circumference y = cos x & table
cyclic quad: equal angles y = tan x & table
opposite angles of cyclic quad cubic: tangent and derivative
cyclic quad: opposite angles transformation of functions
exterior angle of cyclic quad transformation: parabola
tangent and radius transformation: hyperbola
perpendicular line to tangent transformation: exponential
tangents from same point transformation: sin-function
angle between tangent and chord transformation: cos-function
rider transformation: tan-function
  inverse graphs: exponential & logarithmic
geometry: angles & lines transformation geometry
vertical opposite angles reflection in the x-axis
angles on a straight line reflection in the y-axis
  reflection in the line y = x
geometry: parallel lines translation: triangle
corresponding angles rotation: triangle
alternate angles rotation of 90°, 180°, 270°
co-interior angles rotation of a point: formulae
  dilations: enlargement & reduction
geometry: area of triangles geometry: quadrilaterals
area and height of triangle trapezium
triangles between parallel lines parallelogram
triangles & parallel lines: same base rectangle
triangles with same vertex square
geometry: area of quadrilaterals kite

parallelograms between parallel lines

 rhombus
parallelograms & lines: same base  
parallelogram: formulae  
geometry: triangles trigonometry
sum of interior angles sin-graph & unit circle
exterior angle & opposite interior angle  
Pythagoras theorem geometry: advanced
Isosceles and equilateral triangles Snowflake curve (Koch curve)
  Euler line: points of intersection
   
 

gerrit stols
 
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 © 2011 Gerrit Stols