Question

Scrieți fără virgule (indicând minutele şi secundele):
2) 28,94°. b) 40,15°; c) 34,45°;
d) 89,22°;
e) 76,18°
VA ROG,DAU COROANĂ​

Answer 1

 

$\displaystyle\bf\\2)\\a)\\\\28,\!94^o=28^o\frac{94}{100}\cdot60=28^o 0,94\times60=28^o56,\!4'=\\\\=28^o56'0,4\times60=\boxed{\bf28^o56'24''}\\\\\\c)\\\\34,\!45^o=34^o0,45\times60=\boxed{\bf34^o27'}\\\\\\d)\\\\89,\!22^o=89^o0,22\times60=89^o13,\!2'=89^o13'0,2\times60=\boxed{\bf89^o13'12''}\\\\\\e)\\\\76,18^o=76^o0,\!18\times60=76^o10,\!8'=76^o10' 0,8\times60=\boxed{\bf76^o10'48''}$