Jawabanmu

2014-05-14T18:21:45+07:00
Sisi miringnya = 13 cm

√13²-5² = 12 cm
Diagonal yang lain = 12 x 2 = 24 cm

Luas alasnya = (diagonal 1 x diagonal 2) :2
= (24 x 10 ) :2
=120 cm²

V= Luas alas x tinggi prisma
= 120 x 15
=1800 cm³