Jawaban:
9.480 cm²
Penjelasan dengan langkah-langkah:
Panjang sisi miring segitiga
= √(20² + 48²)
= √(400 + 2.304)
= √(2.704)
= 52 cm
Luas permukaan prisma
= 2 x 1/2 x a x t + (a + t + m) x tinggi prisma
= 20 x 48 + (20 + 48 + 52) x 71
= 960 + 8.520
= 9.480 cm²
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Jawaban:
9.480 cm²
Penjelasan dengan langkah-langkah:
Panjang sisi miring segitiga
= √(20² + 48²)
= √(400 + 2.304)
= √(2.704)
= 52 cm
Luas permukaan prisma
= 2 x 1/2 x a x t + (a + t + m) x tinggi prisma
= 20 x 48 + (20 + 48 + 52) x 71
= 960 + 8.520
= 9.480 cm²