<iframe src="https://jsxgraph.org/share/iframe/cevas-theorem" style="border: 1px solid black; overflow: hidden; width: 550px; aspect-ratio: 55 / 65;" name="JSXGraph example: Ceva's theorem" allowfullscreen ></iframe>
<div id="board-0-wrapper" class="jxgbox-wrapper " style="width: 100%; "> <div id="board-0" class="jxgbox" style="aspect-ratio: 1 / 1; width: 100%;" data-ar="1 / 1"></div> </div> <script type = "text/javascript"> /* This example is licensed under a Creative Commons Attribution 4.0 International License. https://creativecommons.org/licenses/by/4.0/ Please note you have to mention The Center of Mobile Learning with Digital Technology in the credits. */ const BOARDID = 'board-0'; JXG.Options.label.autoPosition = true; JXG.Options.text.fontSize = 20; const board = JXG.JSXGraph.initBoard(BOARDID, { boundingbox: [-5, 5, 5, -5], axis: false, showNavigation: false }); var a = board.create('point', [-4, 0], { name: 'a' }); var b = board.create('point', [4, -3], { name: 'b' }); var c = board.create('point', [1, 4], { name: 'c' }); var s1 = board.create('segment', [a, b], { color: 'black' }); var s2 = board.create('segment', [a, c], { color: 'black' }); var s3 = board.create('segment', [c, b], { color: 'black' }); var as = board.create('glider', [3, 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 s4 = board.create('segment', [a, as], { color: 'black' }); var s5 = board.create('segment', [b, bs], { color: 'black' }); var s6 = board.create('segment', [c, cs], { color: 'black' }); var TV = function(p, q, t) { var v = p.Dist(t) / p.Dist(q); if (JXG.Math.Geometry.isSameDir(p.coords, q.coords, p.coords, t.coords)) { return v; } else { return -v; } }; 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); }]); </script>
/* This example is licensed under a Creative Commons Attribution 4.0 International License. https://creativecommons.org/licenses/by/4.0/ Please note you have to mention The Center of Mobile Learning with Digital Technology in the credits. */ const BOARDID = 'your_div_id'; // Insert your id here! JXG.Options.label.autoPosition = true; JXG.Options.text.fontSize = 20; const board = JXG.JSXGraph.initBoard(BOARDID, { boundingbox: [-5, 5, 5, -5], axis: false, showNavigation: false }); var a = board.create('point', [-4, 0], { name: 'a' }); var b = board.create('point', [4, -3], { name: 'b' }); var c = board.create('point', [1, 4], { name: 'c' }); var s1 = board.create('segment', [a, b], { color: 'black' }); var s2 = board.create('segment', [a, c], { color: 'black' }); var s3 = board.create('segment', [c, b], { color: 'black' }); var as = board.create('glider', [3, 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 s4 = board.create('segment', [a, as], { color: 'black' }); var s5 = board.create('segment', [b, bs], { color: 'black' }); var s6 = board.create('segment', [c, cs], { color: 'black' }); var TV = function(p, q, t) { var v = p.Dist(t) / p.Dist(q); if (JXG.Math.Geometry.isSameDir(p.coords, q.coords, p.coords, t.coords)) { return v; } else { return -v; } }; 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); }]);
<jsxgraph width="100%" aspect-ratio="1 / 1" title="Ceva's theorem" description="This construction was copied from JSXGraph examples database: BTW HERE SHOULD BE A GENERATED LINKuseGlobalJS="false"> /* This example is licensed under a Creative Commons Attribution 4.0 International License. https://creativecommons.org/licenses/by/4.0/ Please note you have to mention The Center of Mobile Learning with Digital Technology in the credits. */ JXG.Options.label.autoPosition = true; JXG.Options.text.fontSize = 20; const board = JXG.JSXGraph.initBoard(BOARDID, { boundingbox: [-5, 5, 5, -5], axis: false, showNavigation: false }); var a = board.create('point', [-4, 0], { name: 'a' }); var b = board.create('point', [4, -3], { name: 'b' }); var c = board.create('point', [1, 4], { name: 'c' }); var s1 = board.create('segment', [a, b], { color: 'black' }); var s2 = board.create('segment', [a, c], { color: 'black' }); var s3 = board.create('segment', [c, b], { color: 'black' }); var as = board.create('glider', [3, 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 s4 = board.create('segment', [a, as], { color: 'black' }); var s5 = board.create('segment', [b, bs], { color: 'black' }); var s6 = board.create('segment', [c, cs], { color: 'black' }); var TV = function(p, q, t) { var v = p.Dist(t) / p.Dist(q); if (JXG.Math.Geometry.isSameDir(p.coords, q.coords, p.coords, t.coords)) { return v; } else { return -v; } }; 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); }]); </jsxgraph>
// Define the id of your board in BOARDID JXG.Options.label.autoPosition = true; JXG.Options.text.fontSize = 20; const board = JXG.JSXGraph.initBoard(BOARDID, { boundingbox: [-5, 5, 5, -5], axis: false, showNavigation: false }); var a = board.create('point', [-4, 0], { name: 'a' }); var b = board.create('point', [4, -3], { name: 'b' }); var c = board.create('point', [1, 4], { name: 'c' }); var s1 = board.create('segment', [a, b], { color: 'black' }); var s2 = board.create('segment', [a, c], { color: 'black' }); var s3 = board.create('segment', [c, b], { color: 'black' }); var as = board.create('glider', [3, 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 s4 = board.create('segment', [a, as], { color: 'black' }); var s5 = board.create('segment', [b, bs], { color: 'black' }); var s6 = board.create('segment', [c, cs], { color: 'black' }); var TV = function(p, q, t) { var v = p.Dist(t) / p.Dist(q); if (JXG.Math.Geometry.isSameDir(p.coords, q.coords, p.coords, t.coords)) { return v; } else { return -v; } }; 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); }]);
This example is licensed under a Creative Commons Attribution 4.0 International License. Please note you have to mention The Center of Mobile Learning with Digital Technology in the credits.