a² = 8² + 15²
a² = 64 + 225
a² = 289
a = √289
a = 17 cm
maka luas permukaan nya yaitu :
( 2 × ½ × a × t ) ( a + t + s ) × tinggi prisma
( 2 × ½ × 17 × 15 ) ( 17 + 15 + 8 ) × 24
( 1 × 255 ) ( 32 + 8 ) × 24
255 ( 40 ) × 24
10.200 × 24
244.800 cm²
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a = √a² + t²
a = √8² + 15²
a = √64 + 225
L Prisma = 2 × La × Ka × Tp
L Prisma = 2 × (½ × 17 × 15) × (8 + 15 + 17) × 24
L Prisma = 2 × (½ × 225) × (8 + 32) × 24
L Prisma = 2 × 127,5 × 40 ×24
L Prisma = 2 × 5.100 × 24
L Prisma = 2 × 122.400
L Prisma = 244.800 cm²
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a² = 8² + 15²
a² = 64 + 225
a² = 289
a = √289
a = 17 cm
maka luas permukaan nya yaitu :
( 2 × ½ × a × t ) ( a + t + s ) × tinggi prisma
( 2 × ½ × 17 × 15 ) ( 17 + 15 + 8 ) × 24
( 1 × 255 ) ( 32 + 8 ) × 24
255 ( 40 ) × 24
10.200 × 24
244.800 cm²
SOAL 1
___________________________________________
a = √a² + t²
a = √8² + 15²
a = √64 + 225
a = √289
a = 17 cm
___________________________________________
L Prisma = 2 × La × Ka × Tp
L Prisma = 2 × (½ × 17 × 15) × (8 + 15 + 17) × 24
L Prisma = 2 × (½ × 225) × (8 + 32) × 24
L Prisma = 2 × 127,5 × 40 ×24
L Prisma = 2 × 5.100 × 24
L Prisma = 2 × 122.400
L Prisma = 244.800 cm²
___________________________________________