Question

Triunghiul ABC are aria 60cm patrati si d(A, BC) =8 cm. Aflati lungimea laturi [BC]

Answer 1

A=(h*b)/2

d(A,BC)=h=8 cm

A=(8*BC)/2⇒BC=(2*A)/8⇒BC=(2*60)/8⇒BC=120/8⇒BC=15