Răspuns:
Explicație pas cu pas:
1. l^2+l^2=40^2
2l^2=1600
l^2=1600/2=800
Aria=l^2=800
2.Se rezolva la fel
2l^2=26^2
2l^2=676
l^2=676/2=338
Aria=l^2=338
3. a) A ABC=AB*d(C, AB)/2=16*d/2=64 cm^2
16*d=2*64=128
d=128/16=8 cm
deci d(C,AB)=8
b. AM imparte trg ABC in 2 trg de arii egale
deci A ABM=A ABC/2=64/2=32 cm^2