Question

diagonalele unui romb sint de 8 cm si 15 cm, sa se afle aria rombului

Answer 1

$d_1=8cm$

$d_2=15cm$

$A=\frac{d_1*d_2}{2} =\frac{8 cm*15cm}{2} =\frac{120 cm^2}{2}= 60cm^2$

Answer 2

Arie romb= d₁·d₂/2 ⇒ Arie romb=8·15/2 ⇒Arie romb=120/2=60 cm²