Jawaban:
Luas permukaan = 2 × ( p × ℓ + p × t + ℓ × t )
= 2 × ( 1,5 × 0,7 + 1,5 × 0,9 +
0,7 × 0,9 )
= 2 × ( 1,05 + 1,35 + 0,63
= 2 × ( 3,03 )
= 6,06 m
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Jawaban:
Diketahui : P = 1,5 m
: L = 0,7 m
: T = 0,9 m
Luas permukaan = 2 × ( p × ℓ + p × t + ℓ × t )
= 2 × ( 1,5 × 0,7 + 1,5 × 0,9 +
0,7 × 0,9 )
= 2 × ( 1,05 + 1,35 + 0,63
= 2 × ( 3,03 )
= 6,06 m