ABC est un triangle rectangle en B.
On donne : AB = 7:BC = a et AC = a +5.
Calcule a
1 answer:
Answer:
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
You might be interested in
5:2:11=15:6:33
Multiply by 6/2=3
Answer:
The one that ends with jointly!
Step-by-step explanation:
Answer:
The answer is on google.
Step-by-step explanation:
23=4w-13
First add 13 to both sides.
36=4w
w=9
Hope this helps!
