Question

In rombul ABCD construiti inaltimea AE.E€ daca AC 12 cm si BD 16 cm plisssssssss

Answer 1

Răspuns:

9,6 cm

Explicație pas cu pas:

construim AC ⊥BD intersectate in O⇒  se formeaza 2Δ isoscel

in Δ isoscel ADC  :AE⊥DC

AO=AC/2=6cm    BO=BD/2=8cm⇒l=AB=DC=10 cm

Aadc=AE×DC/2   sau Aadc=DO×AC/2=8×12/2=8×6=48 cm²

AE×10/2=48    AE=48:5=9,6 cm