t Δ = √sisi miring² - siku - siku²
= √34² - 30²
= √1156 - 900
= √256
= 16 cm
Luas permukaan prisma = 2 × L alas + kll alas × tinggi prisma
= 2 × 1/2 × a × t + ( miring Δ + tinggi Δ + sikuΔ ) × tinggi prisma
= 2 × 1/2 × 30 × 16 + ( 34 + 16 + 30 ) × 20
= 2 × 30 × 8 + (80 ) × 20
= 60 × 8 + 1600
= 480 + 1600
= 2080 cm²
Jadi, luas prisma itu adalah 2080 cm²
*Selamat Belajar*
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t Δ = √sisi miring² - siku - siku²
= √34² - 30²
= √1156 - 900
= √256
= 16 cm
Luas permukaan prisma = 2 × L alas + kll alas × tinggi prisma
= 2 × 1/2 × a × t + ( miring Δ + tinggi Δ + sikuΔ ) × tinggi prisma
= 2 × 1/2 × 30 × 16 + ( 34 + 16 + 30 ) × 20
= 2 × 30 × 8 + (80 ) × 20
= 60 × 8 + 1600
= 480 + 1600
= 2080 cm²
Jadi, luas prisma itu adalah 2080 cm²
*Selamat Belajar*