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量得正三角形的底和高分別為3.4釐米和2.3釐米,則底和高的實際長度為:3.4÷1500=1700(釐米)=17(米)2.3÷1500=1150(釐米)=11.5(米)17×11.5÷2=195.5÷2=97.75(平方米)答:它的實際面積是97.75平方米.
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