Предмет: Математика, автор: vat53k29

найдите периметр четырехугольника АВСД. если АВ=6,2 дм. СД больше АВ на 3,14 дм, но меньше ВС на 2,31 дм; АД больше ВС на 1,2 дм

Ответы

Автор ответа: skladik27

СД=6,2дм+3,14дм=9,34дм
ВС=9,34дм+2,31дм=11,65дм
АД=11,65дм+1,2дм=12,85дм
Периметр=сумма длин всех сторн=40,04дм

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