Intr-un triunghi echilateral inaltimea respecta formula L√3/2, unde L este latura triunghiului echilateral.
a) Daca L=8 cm =>h=8√3/2=4√3 cm
b)Daca L=4√3 cm =>h=(4√3)√3/2=6 cm
c)Daca L=6√6 cm =>h=(6√6)√3/2=9√2 cm
d)Daca L=a cm =>h=a√3/2 cm