I've added an image for illustrative purposes, where h is the height of the birdcage.
We can see that we'll need to use the pythagorean theorem which, when given the length of the diagonal and one of the perpendicular lengths of the triangle, is:

Substituting the information into this equation:

Therefore, the height of the birdcage is 12cm.
Answer:
1. lui (to my sister)
2. leur (to our friend<u>s</u>)
3. leur (to shopkeeper<u>s</u>)
4. -
5. lui (to your mother)
6. -
Explanation:
(Les mots au <u>pluriel</u> ont un <u>s</u>)
à + mot(s) au pluriel = leur
à + mot(s) au singulier = lui
<u>Exemple:</u>
Je donne un bisou à ma mère. (<em>I give a kiss to my mother)</em>
I have only one mother<em> (maybe not, in 2020 we dont know)</em> so it's singulier, so lui :
Je lui donne un bisou (<em>I give a kiss to her</em>)
Have à good day !
Hi,
When the direct object comes before the past participle, the past participle actually agrees with that direct object.
Example:
Voici les cadeaux que les filles ont achetés
Here are the presents that the girls have bought
( achetés is written with an
-s to agree with the direct object les cadeaux.)
Answer:
Explanation:
Bonjour,
1:TGV = train à grande vitesse
2: je suis français(e)
3: SNCF = Société Nationale des Chemins de Fer Français
4: Parce que la forme de la France ressemble à un hexagone
5 : Le 14 juillet
10 : "Le Monde '" est un journal quoptidien
Pour le reste, on n'a pas tes documents