size(400, 400);
noStroke();
float a = sqrt(104976);   // Sets 'a' to 324
float b = sqrt(10000);  // Sets 'b' to 100
float c = sqrt(256);   // Sets 'c' to 16
rect(0, 100, a, 40);
rect(0, 180, b, 40);
rect(0, 260, c, 40);