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2014-05-24T19:53:08-03:00
2.( 90^{o}-x )=66^{o} 6'4''

90^{o}-x= \frac{ 66^{o} 6'4''}{2}

90^{o}-x= 33^{o} 3'2''

x= 90^{o}-33^{o} 3'2''

x= 89^{o}59'60''-33^{o} 3'2''

x= 56^{o}56'58''

Letra a)
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