Răspunsuri

2014-11-15T20:24:06+02:00
H=(B+b)/2=10 cm
A=(B+b)*h/2=20*10/2=100
nu e bine :(
care e rezultatul?
100
dar am facut-o , mersi oricum
2014-11-15T20:33:24+02:00
H=(B+b)/2=20:2=10
A=[(B+b)*h]/2=(20*10):2=200:2=100
dar h= (B+b) \ 2 ?
la trapez isoscel da
iar la cel dreptunghic inaltimea= media geometrica a bazelor
multumesc !