un sac
masculine: le sac à dos
Feminine
Sac is masculine (Larousse, 2005, p. 928)Reference:(2005). Larousse French-English English-French Dictionary. Paris, France: Larouuse,
its masculine no doubt
feminine
The French word "sac" is masculine.
masculine: le sac à dos
"Sac l'école" is masculine in French. The word "sac" (bag) is masculine, so it determines the gender of the entire phrase.
Un sac (masculine noun) de couchage.
The word "sac" in French is masculine. So, it uses masculine definite article "le" and indefinite article "un".
A handbag is "un sac", which is masculine. I'm not sure what you mean by asking how to express it in the feminine.
A schoolbag is "un cartable" in French; cartable is a masculine noun.
Feminine
"Sac" is a masculine noun in French.
Sac is masculine (Larousse, 2005, p. 928)Reference:(2005). Larousse French-English English-French Dictionary. Paris, France: Larouuse,
its masculine no doubt
feminine