A 5-circle incidence theorem: 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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<jsxgraph width="600" height="600"> | <jsxgraph width="600" height="600"> | ||
var board = JXG.JSXGraph.initBoard('jxgbox',{boundingbox:[-5,5,5,-5]}); | var board = JXG.JSXGraph.initBoard('jxgbox',{boundingbox:[-5,5,5,-5]}); | ||
var A = [], s = [], B = [], c = [], k; | var A = [], s = [], B = [], c = [], r = [], k; | ||
var attA = {name:'',strokeColor:'#7355ff',fillColor:'#7355ff'}; | var attA = {name:'',strokeColor: '#7355ff', fillColor: '#7355ff'}; | ||
attA.name = "0"; | attA.name = "0"; | ||
A[0] = board.create('point', [2.5, -3], attA); | A[0] = board.create('point', [2.5, -3], attA); | ||
| Line 22: | Line 22: | ||
var attB = {name:'',strokeColor:'#EA0000',fillColor:'#EA0000'}; | var attB = {name: '', strokeColor: '#EA0000', fillColor: '#EA0000'}; | ||
for (k = 0; k < 5; k++) { | for (k = 0; k < 5; k++) { | ||
B[k] = board.create('intersection', [s[k], s[(k-1+5)%5], 0], attB); | B[k] = board.create('intersection', [s[k], s[(k-1+5)%5], 0], attB); | ||
| Line 30: | Line 30: | ||
for (k = 0; k < 5; k++) { | for (k = 0; k < 5; k++) { | ||
c[k] = board.create('circle', [A[k], B[k], A[(k+1)%5]], attC); | c[k] = board.create('circle', [A[k], B[k], A[(k+1)%5]], attC); | ||
} | |||
var attR = {strokeColor: '#aaaaaa', strokeWidth: 1}; | |||
for (k = 0; k < 5; k++) { | |||
r[k] = board.create('radicalaxis', [c[k], c[(k-1+5)%5]], attR); | |||
} | } | ||
