\bf \Large 90^{\circ}

\bf \Large 63^{\circ}

\bf \Large 27^{\circ}

\bf 12

\bf 2.7

\bf 10.6

A = (-0.66, -0.5)
B = (3.4, 3.82)
C: (9, -0.76)
poly1, c, a, b = Polygon(A, B, C)