\(30,5^o=30\dfrac{1}{2}^o=30^o30^'=1830^'\)
\(60,75^o=60\dfrac{3}{4}^o=60^o45^'=3645^'\)
\(90,2^o=90\dfrac{1}{5}^o=90^o12^'=5412^'\)
\(45,15^o=45\dfrac{3}{20}^o=45^o9^'=2709^'\)
\(30,5^o=30\dfrac{1}{2}^o=30^o30'=1830'\)
\(60,75^o=60\dfrac{3}{4}^o=60^o45'=3645'\)
\(90,2^o=90\dfrac{1}{5}^o=90^o12'=5412'\)
\(45,15^o=45\dfrac{3}{20}^o=45^o9'=2709'\)