Tolong jawab no.23 dan 25

23. keliling trapesium = a+b+c+d
kita cari dulu pakai pytagoras :
c^2 = a^2+b^2
c^2 = 24^2 + 32^2
c = 40 cm

keliling : a+b+c+d

32 + 40 + (24+32+24) + 40 = 192 cm^2