Jawabanmu

2014-04-13T20:11:07+07:00
P = 6 × 225 = 1350 l = 5 × 225 =1125 t = 4 × 225 = 900
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  • Gemar Membantu
2014-04-13T20:24:39+07:00
Jawab:
luas permukaan=2(pl+pt+lt)
33.300=2(6/15x.5/15x+6/15x.4/15x.5/15x.4/15x)
33.300/2=6/45x²+24/225x²+4/45x²
16650=30/225x²+24/225x²+20/225x²²
16650=74/225x²
16650.225/74=x²
√50625=x
225=x
jadi,
p=6/15.225=90 cm²
l=5/15.225=75 cm²
t=4/15.225=60 cm²
nanti kamu ubah aja iitu ke cm ya,,.......

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