Răspunsuri

2014-06-14T21:27:51+03:00
Se formeaza un triunghi dreptunghic

ΔABC, mas<A=90

AC²=AB²+BC²=  (2,7)² + (3,6)²=  7,29 + 12,96   ⇒AC=  3,6m   are scara
2014-06-14T21:29:29+03:00
AC=3.6 m
BC=2.7 m
Δ ABC Δdreptunghic
AB²=AC²+BC²
AB²=12.96+7.29=20.25⇒AB=4.5 m