d = 21km@255o + 30km@90o + 8km@0o.
X = hor. = 21*cos255 + 8 = 2.56 km.
Y = Ver. = 21*sin255 + 30*sin90=9.72 km.
a. d^2=X^2 + Y^2=(2.56)^2 + (9.72)^2=101
d = 10.1 km.
tanA = Y/X = 9.72/2.56 = 3.79688
A = 75.2o,CCW = 75.2o North of East = The Direction.
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