Question

calculeaza aria unui trapez isoscelcu

inaltimea de 8cm ,bazele de5cm si 7 cm

Answer 1

A=(B+b)·h/2=(5+7)·8/2=12·8/2=48

Answer 2

$A_{(trapez)}=\frac{5+7}{2}\cdot\;8\;=\;6\cdot8=48(cm^2)$