Respuesta :

Answer:


Step-by-step explanation:

According to the question,

60 degrees 50 minutes 40 seconds subtract 30 degree 40 minutes 50 seconds.

⇒[tex]60^{{\circ}}50^{'}40^{''}-30^{{\circ}}40^{'}50^{''}[/tex]

⇒[tex]60+(50{\times}\frac{1}{60})+(40{\times}\frac{1}{60}{\times}\frac{1}{60})-(30+(40{\times}\frac{1}{60})+(50{\times}\frac{1}{60}{\times}\frac{1}{60}))[/tex]

⇒[tex]60+\frac{5}{6}+\frac{1}{90}-(30+\frac{2}{3}+\frac{1}{72})[/tex]

⇒[tex]60+\frac{5}{6}+\frac{1}{90}-30-\frac{2}{3}-\frac{1}{72}[/tex]

⇒[tex]60+0.84+0.02-30-0.67-0.02[/tex]

⇒[tex]60.86-30-0.67-0.02[/tex]

⇒[tex]30.17..[/tex] degrees.

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