lp=2pir²(r+t) jari jari =28/2=2x22/7x14(14+18)=44/7x14x32=88x32lp=2,816cm²
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lp=2pir²(r+t) jari jari =28/2
=2x22/7x14(14+18)
=44/7x14x32
=88x32
lp=2,816cm²