A = (7.08, -0.72)
B = (0, -3.36)
C = (1.66, 1.24)
poly1, c, a, b = Polygon(A, B, C)
α = Angle(B, C, A)
β = Angle(A, B, C)
γ = Angle(C, A, B)
s: α + β + γ
h: a^(2) + b^(2)
c2: c^(2)
text1: "α+β+γ = " + (LaTeX[α]) + "+" + (LaTeX[β]) + "+" + (LaTeX[γ]) + " = " + (LaTeX[s]) + ""
d: abs(c2 - h)
text2: "\begin{eqnarray}a^2+b^2 = " + (LaTeX[h]) + " \\c^2=" + (LaTeX[c2]) + "\\|c^2-(a^2+b^2)|=" + (LaTeX[d]) + "\end{eqnarray}"