tolong jawab 2 nomer

42. persegi panjang =
. 6*8 = 48 cm2
. trapesium =
. 10+6/2 *7 = 56 cm2
. total = 48+56 = D. 104 cm2

43. keliling =
. 12+5+2+9+14+5+4+4+5+5 = B. 60 cm