Question

Va rog ajutati-ma urgent cu problema 8!!! 20 PUNCTE!!!.

Answer 1

a) Pb= 3l =3 x 6= 18

b) Ab=( l²√3) :4 = (36 √3) :4= 9√3

c) Pf= AV+AB+VB= 5+5+6 = 16

d) Af

Fie VM h in tr. isoscel AVB

AVB tr. isoscel ⇒ h=mediana⇒ AB=BB=AB/2=3 cm

Aplicand T.P in tr. dreptunghic VAM ⇒ h=VM=4 cm

Af= (h x AB)/2= (4 X 6)/2 = 24/2=12 cm²