Question

ma poate ajuta cineva, va rog !
dau coroana ​

Answer 1

Răspuns:

1.AB^2+AC^2=BC2

DE^2=EF^2-DF^2

2. BC^2=12^2+9^2=144+81

BC=15

EF^2=16^2+12^2=400

EF=20

HI^2=25^2-7^2=576

HI=24

RQ^2=25*10-13^2=81

RQ=9