NetherisIsTheQueen
19.04.2021 •
Mathematics
ABC est un triangle rectangle en B.
On donne : AB = 7:BC = a et AC = a +5.
Calcule a
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Ответ:
Step-by-step explanation:
salut :
en utilisant le theorem de Pythagore on obtient :
AC²= AB² + BC²
(a+5)² = 7²+a²
a²+10a+25 = 49+a²
10a+25 =49
10a =24
donc : a = 24/10 = 12/5 = 2.4 unit
Ответ:
g is the variable because I've taken this test and i got a hundred on it.
Step-by-step explanation: