a)
B(0 | 4 | 0)
C(-10 | 4 | 0)
D(-10 | -4 | 0)
E(0 | -4 | 3)
F(0 | 4 | 3)
H(-10 | -4 | 3)
I(0 | 0 | 5)
b)
|FI| = |[0, 0, 5] - [0, 4, 3]| = 2·√5
A = 2·(2·√5)·10 = 40·√5 = 89.44 FE
c)
A = 4·1/2·(3 + 5)·4 + 2·10·3 = 124 FE
d)
V = 2·1/2·(3 + 5)·4·10 = 320 VE
e)
|AG| = |[-10, 4, 3] - [0, -4, 0]| = √173
|AK| = |[-10, 0, 5] - [0, -4, 0]| = √141