Respuesta :

jane8713

Answer:

94cm²

Step-by-step explanation:

S = 2(lw + lh + wh)

=2(20+15+12)

=40+30+24

=94cm²

Hope this helps! Can u give me brainliest, please:)
94 cm lw+ lh +wh. =2 (20+15+12 ) =40+30+24 94 cm is the answer I can’t get the other math down but it is 94cm