side a

side b

side c

side d

sum

sides

length

X coordinate

y coordinate

B7

A = (-1.7, 3.98)
B = (1.46, 3.64)
C = (1.4, -0.64)
D = (-2.82, -0.9)
poly1, a, b, c, d = Polygon(A, B, C, D)
B3: a
B4: b
B5: c
B6: d
C3 = -1.7
C4 = 1.46
C5 = 1.4
C6 = -2.82
D3 = 3.98
D4 = 3.64
D6 = -0.9
D5 = -0.64
text1 = TableText({{A2, B2, C2, D2}, {A3, B3, C3, D3}, {A4, B4, C4, D4}, {A5, B5, C5, D5}, {A6, B6, C6, D6}}, "|_")
listOfVertexes: {(C3, D3), (C4, D4), (C5, D5), (C6, D6)}
listOfLengths: {B3, B4, B5, B6}
E3 = Sum(C3:D3)
E4 = Sum(C4:D4)
E5 = Sum(C5:D5)
E6 = Sum(C6:D6)
C7 = Sum(C3:C6)