kerjakan yaaa kakak kakak yang baik hanya 1 soal

Volume prisma = L alas x T prisma
=(1/2 x 16 x 8) x 21
=(8 x 8) x 21
=64 x 21
=1.344. (b)

v=a×t
=½×a ×t ×t
=½×16cm×8cm×21xm
=8×8cm×21cm= 1.344