tlg ya kakak..soal nmr 19 ama 20...makasih sblmx..

P, L, T = x, x-3, x-6
L=6cm
X-3=6cm
X=6+3
X=9 cm

P= X
P= 9 cm

L=6 cm

T= x-8
=9-6
= 3

V= pxlxt
=9x6x3
=162cm³