TOLONG JAWAB PAKE CARA

Rumus Volume Prisma segitig yaitu...La × tp*
[tex]la \: x \: tp \\ = ( \frac{a \: x \: t}{2} )[/tex]
no.1
[tex] \frac{40 \: x \: 50}{2} \times 20 = 1000 x 20 = 200000 \: m \\ cm {}^{3} [/tex]

no.2
[tex] \frac{12x16}{2} \times 50 = 96 \times 50 = 480 \: cm {}^{3} [/tex]

*tp:tinggi prisma
**Good Luck!!