Reuleaux pentagon: Difference between revisions
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A WASSERMANN (talk | contribs) No edit summary |
A WASSERMANN (talk | contribs) No edit summary |
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Line 13: | Line 13: | ||
var D = brd.create('point',[function(){ | var D = brd.create('point',[function(){ | ||
var p = A.Dist(B); | var p = A.Dist(B); | ||
return C.X()+3*(1+Math.sqrt(5))/2/5*p; | |||
}, | }, | ||
function(){ | function(){ | ||
return | return C.Y(); | ||
} | } | ||
]); | ]); |
Revision as of 14:47, 24 September 2010
The underlying JavaScript code
var brd = JXG.JSXGraph.initBoard('jxgbox',{boundingbox:[-5,5,5,-5]});
var A = brd.create('point',[-2,-2]);
var B = brd.create('point',[2,-2]);
var pol = brd.create('regularpolygon',[A,B,5], {withLines:false});
for (var i=0;i<5;i++) {
brd.create('arc',[pol.vertices[i],pol.vertices[(i+2)%5],pol.vertices[(i+3)%5]]);
}
var C = brd.create('point',[-1,-1]);
var D = brd.create('point',[1,-1]);
var pol3 = brd.create('regularpolygon',[C,D,3], {withLines:false});
for (i=0;i<3;i++) {
brd.create('arc',[pol3.vertices[i],
pol3.vertices[(i+1)%3],
pol3.vertices[(i+2)%3]]);
}