Jawaban:
Lpp=p x l=20x24=480
Ls=1/2x a x t=1/2x24x6=72
480+72=552cm^2<=jawabannya
t=6 => 20-14=6
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Jawaban:
Lpp=p x l=20x24=480
Ls=1/2x a x t=1/2x24x6=72
480+72=552cm^2<=jawabannya
t=6 => 20-14=6