Day Lon Day be Chieu Cao DTABCD 12,6m 12,4m 8,4m ...m2MNPQ 24,12M 18,38m ....m 212,5m2RSLT .......m 14,5m 12,25m 367,5m22.BM8cm,MC4cm,DT HTG ABM41,6cm2.Tinh DT HTG ABC3.Cho Hinh thang TJHG,bit DT HTG TJHG la 6cm24.Mot dam dat hinh thangf co dg cao 20,5m,day be18,3m,day lon22,5m.Giua dam dat do ng...
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Day Lon Day be Chieu Cao DT
ABCD 12,6m 12,4m 8,4m ...m2
MNPQ 24,12M 18,38m ....m 212,5m2
RSLT .......m 14,5m 12,25m 367,5m2
2.BM=8cm,MC=4cm,DT HTG ABM=41,6cm2.Tinh DT HTG ABC
3.Cho Hinh thang TJHG,bit DT HTG TJHG la 6cm2
4.Mot dam dat hinh thangf co dg cao 20,5m,day be=18,3m,day lon=22,5m.Giua dam dat do ng ta dao 1 cai gieng hinh tron co BK 1,3m.Tinh DT phan dat con lai.
Giai gium vs ak,bit bai nao lam bai do.giai dc het tick 3 tick 1 ngay trong vong 1 tuan ok,giai dc 1 nua cho 3 tick 1 ngay trong vong 3 ngay.Iu lem!Pac Pac!<3333