typedef long long ll;
typedef long double ld;

#include <bits/stdc++.h>
using namespace std;
// #define int long long

#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template<typename T>
using ordered_set = tree<T, null_type, std::less<T>, rb_tree_tag, tree_order_statistics_node_update>;
// std::cout << *s.find_by_order(1) << std::endl; // 2

vector<string> split(string str, char del) {
   int first = 0;
   int last = str.find_first_of(del);
   vector<string> result;
 
   while (first < str.size()) {
     result.push_back(str.substr(first, last - first));
     first = last + 1;
     last = str.find_first_of(del, first);
     if (last == string::npos) last = str.size();
   }
   return result;
 }

signed main(){
    // これがないと落ちることがある
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    ll t;
    cin >> t;
    for (ll iii = 0; iii < t; iii++){
        ld ma = 1e18;
        vector<pair<ld,ld>> xy(6);
        for (ll i = 0; i < 6; i++){
            cin >> xy[i].first>>xy[i].second;
            if(xy[i].first>0.4&&asin(xy[i].second)>-0.0001){
                ma = min(ma, asin(xy[i].second));
            }
        }

        cout <<fixed<<setprecision(20)<< ma/M_PI*180 << endl;
    }
}