Difference between revisions of "Menelaus's theorem"
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Jump to navigationJump to searchA WASSERMANN (talk | contribs) |
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JXG.Options.text.fontSize = 24; | JXG.Options.text.fontSize = 24; | ||
− | var board = JXG.JSXGraph.initBoard("jxgbox", {boundingbox: [-5,5,5,-5], axis: | + | var board = JXG.JSXGraph.initBoard("jxgbox", {boundingbox: [-5,5,5,-5], axis:false, showCopyright:false, showNavigation:false}); |
var a = board.create('point', [-1.7, 0], {name:'a'}); | var a = board.create('point', [-1.7, 0], {name:'a'}); | ||
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}; | }; | ||
− | var txt = board.create('text', [-4.5, - | + | var txt = board.create('text', [-4.5, -4, function() { |
return "TV(a',c,b) * TV(b',a,c) * TV(c',b,a) = " + (TV(as,c,b)*TV(bs,a,c)*TV(cs,b,a)).toFixed(2); }]); | return "TV(a',c,b) * TV(b',a,c) * TV(c',b,a) = " + (TV(as,c,b)*TV(bs,a,c)*TV(cs,b,a)).toFixed(2); }]); | ||
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</jsxgraph> | </jsxgraph> | ||