var app = angular.module('triangular', []);

app.controller('MainCtrl', function($scope) {
  $scope.graph = {'width': 100, 'height': 100}
  $scope.circles = [
  	{'x': 15, 'y': 20, 'r':15},
  	{'x': 50, 'y': 60, 'r':20},
  	{'x': 80, 'y': 10, 'r':10},
  ]
});
<!DOCTYPE html>
<html ng-app="triangular">
  <head>
    <link rel="stylesheet" href="style.css" />
    <script data-require="angular.js@1.2.x" src="http://code.angularjs.org/1.2.1/angular.js" data-semver="1.2.1"></script>
    <script src="app.js"></script>
  </head>
  <body ng-controller="MainCtrl">
    <svg ng-attr-height="{{graph.height}}" ng-attr-width="{{graph.width}}">
    	<circle ng-repeat="circle in circles" 
    		ng-attr-cx="{{circle.x}}" 
    		ng-attr-cy="{{circle.y}}" 
    		ng-attr-r="{{circle.r}}">
    	</circle>
    </svg>
  </body>
</html>
/* Put your css in here */