В треугольнике ABC угол A прямой, угол B равен 30 градусам, гипотенуза равна 28 см. Найдите длину катета AC (ответ дайте в см). *

план до байки двоэ приятелыв та ведмыдь

найдите ошибки!

a)I studied for three years management.

b)during i was on holiday,i went swimming every day.

c)with 19 years old he went to Switzerland .

d)I lost my all money.

e)I saw jim last evening.

f)i knew my husband in 1985.

g)we got married two year ago.

h)in 1989 i leaved university and started work.

Вот задачи из grammar time 4. Помогите плиз.