Question

Abc un triunghi cu m(A)=90°,aflati bc
a)AB=3cm
AC=4cm
BC=?
Teorema lui Pitagora

Answer 1

BC^2=AB^2+AC^2
BC^2=3^2+4^2
BC^2=9+16
BC^2=25
BC=√25
BC=5 cm

Answer 2

Fie ABC triunghi cu m(A) = 90° ⇒ T.P 
BC² = AB² + AC²
BC² = 3² + 4²
BC² = 9 + 16
BC = √25 ⇒ BC = 5 cm