Question

AC=12 radical 6 cm , AB=BC , m(unghiul B)=90 grade

Answer 1

ABC=triunghi dreptunghic,m(B)=90° rezultă prin teorema lui Pitagora : AC^2=AB^2+BC^2 (^2=la a doua)
AB=BC=x
(12√6)^2= x^2 +x^2
144x6=2x^2
844=2x^2
x^2=864/2
X^2=432
x=√432
x=12√3 cm
x=AB=AC=12√3 cm