Jawabanmu

2014-08-25T20:29:51+07:00
L=p × l
=2×3
=27× ((27/2) ×3)
=27 × (13.5 × 3)
=27 × 40.5
=
2014-08-25T20:32:58+07:00
T.foto/t.diperbesar = l.foto/l.diperbesar
2cm/x = 3cm/27cm
x = 2 x 27/3 (corat-coret 27:3=9)
x = 18

L. = t x l
= 18 x 27
= 486