Menentukan panjang kerangka prisma
K = 2(K.alas) + 3t
K = 2(25 + 20 + 10) + 3(15)
K = 2(55) + 45
K = 110 + 45
K = 155 cm
Menentukan sisa kawat
Sisa kawat
= Panjang kawat - panjang kerangka
= 170 cm - 155 cm
= 15 cm
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Menentukan panjang kerangka prisma
K = 2(K.alas) + 3t
K = 2(25 + 20 + 10) + 3(15)
K = 2(55) + 45
K = 110 + 45
K = 155 cm
Menentukan sisa kawat
Sisa kawat
= Panjang kawat - panjang kerangka
= 170 cm - 155 cm
= 15 cm