Difference between revisions of "Ceva's theorem"

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Line 5: Line 5:
 
JXG.Options.text.fontSize = 24;
 
JXG.Options.text.fontSize = 24;
  
var board = JXG.JSXGraph.initBoard("jxgbox", {boundingbox: [-5,5,5,-5], axis:false, showCopyright:false, showNavigation:false});
+
var board = JXG.JSXGraph.initBoard("jxgbox", {boundingbox: [-5,5,5,-5], axis:true, showCopyright:false, showNavigation:false});
  
 
var a = board.create('point', [-4, 0], {name:'a'});
 
var a = board.create('point', [-4, 0], {name:'a'});
Line 14: Line 14:
 
var s2 = board.create('segment', [a, c], {color: 'black'});
 
var s2 = board.create('segment', [a, c], {color: 'black'});
 
var s3 = board.create('segment', [c, b], {color: 'black'});
 
var s3 = board.create('segment', [c, b], {color: 'black'});
 +
 +
var as = board.create('glider', [-4, 0, s3], {name:"a'"});
 +
var bs = board.create('glider', [4, -3, s2], {name:"b'"});
 +
var cs = board.create('glider', [1, 4, s1], {name:"c'"});
  
 
var TV = function(p,q,t) {
 
var TV = function(p,q,t) {

Revision as of 22:44, 2 May 2021

TV(a,b,c) is the affine ratio |ac| / |ab|.

The underlying JavaScript code