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Luas alas
= a * t / 2
= 20 * 21 / 2
= 210 cm²
Volume prisma
= 210 * 30
= 6300 cm³
Semoga bermanfaat :)
Luas alas = 1/2 x 20 x 21
Luas alas = 210 cm2
Volume prisma = Luas alas x tinggi
Volume prisma = 210 x 30
Volume prisma = 6.300 cm3