Question

c) 35 % din 1°=
d) 15 % din 13°20'=​

Answer 1

Răspuns:

c) 1 grad = 60 min, 35% din 60 = 35/100 × 60 = 21 min

d) 13 grad 20 min = 800 min , 15 % din 800 = 15/100 × 800 = 120 min = 2 grade

Answer 2

$\it c)\ \ 35\%\ din\ 1^o=\dfrac{35}{100}\cdot1^o=\dfrac{35}{100}\cdot60'=\dfrac{2100'}{100}=21'\\ \\ \\ d)\ 15\%\ din\ 13^o20'=\dfrac{15}{100}\cdot(13\cdot60'+20')=\dfrac{15}{100}\cdot800'=15\cdot8'=120'=2^o$