d=115(alt angles)
e=180-115(int angles)/(angles on st line)
q=180-115(angles on st line)
p=115(opp angles)
c=180-e(angles on st line)
b=180-d(angles on st line)
f=180-51(int angles)
g=51(alt angles)
i=180-g(angles on st line)
h=180-f(angles on st line)
w=180-51(angles on st line)
n=51(opp angles)
m=w(opp angles)
z=180-a-b
a=z(opp angles)
