Question

daca ΔABC (m(∡A)=90°) are AB =5 cmsi BC =13 cm atunci AC=.........cm

Answer 1

Aplic teorema lui Pitagora :

AC² = BC² - AB²

AC² = 13 - 5² ⇒ AC² = 169 - 25 ⇒ AC² = 144 ⇒ AC = √144 ⇒ AC = 12 cm

Answer 2

Fiind triunghi dreptunghic aplicam Pitagora
BC^-AB^2=AC^2
169-25=AV^2
144=AC^2
12=AC