lp=(2×luas alas)+(keliling alas× t)
=(2×(p×l))+((2(p+l)×30)
=(2×(50×60))+((2(50+60))×30)
=(2×3000)+(220×30)
=6.000 +6.600
=12.600
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lp=(2×luas alas)+(keliling alas× t)
=(2×(p×l))+((2(p+l)×30)
=(2×(50×60))+((2(50+60))×30)
=(2×3000)+(220×30)
=6.000 +6.600
=12.600