Jawaban:
Lp = (2xLa)+(Kxt)
= (2x½x30x40) + ((30+40+50)x60)
= 1200 + 7200
= 8400 cm²
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Jawaban:
Lp = (2xLa)+(Kxt)
= (2x½x30x40) + ((30+40+50)x60)
= 1200 + 7200
= 8400 cm²