Answers

2014-07-18T22:14:05+08:00
Imagine it as a triangle with sides A, B, C. α = 27° 10', β = 180 - (27° 10' + 67° 50) = 95°, ω = 67° 50'

sinα / a = sinω / c
0.457/85 = 0.926/c
c = 172.23 km
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