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2014-04-26T18:59:33+03:00
A) L=3l ⇒ 2(L+L)=32 ⇔ 8l=32 ⇒ l=4 ⇒ L=12
b) Analog l=8, L=24
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2014-04-26T19:08:27+03:00
A) P=32cm => 2l+2L=32 <=> 2l+6l=32 <=> 8l=32 => l=4cm si L=12cm
b) P=64cm => 2l+2L=64 <=> 2l+6l=64 <=> 8l=64 => l=8cm si L=24cm

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