18² = 14²+16²-2*14*16cosa
448cosa = 14²+16²-18²
a = acos((14²+16²-18²)/448)
a = 73.39845040098°
(18/sin73.39845040098) = (14/sinb)
b = 48.18968510422°
c = 180-48.18968510422-73.39845040098
c = 58.4118644948°
cotd = cota+cotb+cotc
cotd = 1.80748828181
d = acot(1.80748828181)
d = 28.95373454979°
e = 58.4118644948-d
e = 29.45812994501°
f = 180-28.95373454979-73.39845040098
f = 77.64781504923°
(14/sin77.64781504923) = (g/sin73.39845040098)
g = 13.73434221224 units.
It implies;
Area Blue to 1 decimal place is;
0.5*13.73434221224*18sin29.45812994501
= 60.78938784846 square units.
≈ 60.8 square units
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