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kelas = VIII (8)
diketahui =
s = 10 cm
t. = 15 cm
jawab =
luas alas = p × l
= 10 × 10
= 100 cm²
luas permukaan Limas = luas alas + luas sisi
miring.
= 100 + ( 4 × ( 1/2 × 10 × 10 )
= 100 + 200
= 300 cm²
maka luas permukaan Limasnya = 300 cm²