#include <iostream>
using namespace std;

int main() {
	// your code goes here
	int t, r, x1, x2, x3, y1, y2, y3, count;
	cin>>t;
	while(t--) {
		cin>>r>>x1>>y1>>x2>>y2>>x3>>y3;
		count=0;
		if((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2)<=r*r) count++;
		if((x2-x3)*(x2-x3)+(y2-y3)*(y2-y3)<=r*r) count++;
		if((x3-x1)*(x3-x1)+(y3-y1)*(y3-y1)<=r*r) count++;
		if(count>1) cout<<"yes"<<endl;
		else cout<<"no"<<endl;
	}
	return 0;
}