Question

Intr-un triunghi dreptunghic ABC, m( Â)=90°, AD _|_ BC, D apartine (BC), se dau: c) BD=5,4 dm si BC=15 dm.Calculati CD si AD
Va rogg multt, am nevoie pentru maineee ❤❤

Answer 1

B
| D
|
A__________C

CD=BC-BD=15-5,4=9,6 dm
t.inaltimii : AD^2=BD•DC=5,4•9,6=51,84
=>AD=7,2 dm