Please jawab ka sama caranya..

alas trapesium dalam=
30/27=50/a
30xa=1350
a=45cm

t trapesium luar=
30/27=t/36
1080=tx27
40cm=t

L trapesium luar=(a+c)xt/2
=(27+45)x36/2
=72x18
=1296cm²

L trapesium dalam=(a+c)xt/2
=(50+30)x40/2
=80x20
=1600cm²

1600-1296=304cm²
jawabannya C