Jawab:
Penjelasan dengan langkah-langkah:
prisma
alas segitiga sama kaki
t prisma -=16
alas segi tiga
a = 12
b = c= 9
t= 10
Luas alas = 1/2 a t
LA = 1/2. 12 x 10
LA = 60
Keliling alas = a + b + c
K = 12 + 9 + 9
K = 30
Luas permukaan = 2 LA + K. t
LP = 2 (60) + 30(16)
LP = 120 + 480
LP = 600 cm²
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Jawab:
Penjelasan dengan langkah-langkah:
prisma
alas segitiga sama kaki
t prisma -=16
alas segi tiga
a = 12
b = c= 9
t= 10
Luas alas = 1/2 a t
LA = 1/2. 12 x 10
LA = 60
Keliling alas = a + b + c
K = 12 + 9 + 9
K = 30
Luas permukaan = 2 LA + K. t
LP = 2 (60) + 30(16)
LP = 120 + 480
LP = 600 cm²