mot hinh chu nhat co chu vi gap 5 lan chieu rong neu tang chieu dai them 3 met tang chieu rong them 9 m thi duoc mot hinh vuong tim so do cac canh cua hinh chu nhat da cho
1 hinh chu nhat co chu vi gap 5 lan chieu rong neu tang chieu dai them 3m va tang chieu rong them 9 met thi duoc 1 hinh vuong tim 2 so do
Mot hinh chu nhat co chu vi gap 5 lan chieu rong.Neu tang chieu dai them 3m,tang chieu rong them 9 m thi duoc mot hinh vuong.Tim so do cac canh cua hinh chu nhat do
tra loi dung nhe
Mot hinh chu nhat co chu vi gap 5 lan chieu rong,neu tang chieu dai 3m , tang chieu rong 9m thi duoc mot hinh vuong . Tinh dien tich hinh chu nhat
mot mieng bia hinh chu nhat co chu vi gap 5 lan chieu rong neu tang chieu rong them 9 chieu dai them 4 thi mieng bia tro thanh mot hinh vuong dien tich mieng bia ban dau\
Cho mot hinh chu nhat co chu vi la 200m. Neu tang chieu rong them 4m, giam chieu dai 8m thi ta duoc mot hinh vuong. Tim chieu dai, chieu rong ?
mot hinh chu nhat co chieu dai gap ruoi chieu rong . neu moi chieu tang them 1 met thi duoc hinh chu nhat moi tang them 31met vuong. tinh dien tich hinh chu nhat ban dau ?
mot hinh chu nhat co chieu dai gap ruoi chieu rong. neu moi chieu tang them 1m thi duoc hinh chu nhat moi co dien tich tang them 31 met vuong . tinh dien tich hinh chu nhat ban dau ?
Mot hinh chu nhat co chieu dai gap ruoi chieu rong . Neu moi chieu tang them 1m thi duoc hinh chu nhat moi co dien tich tang them 31m vuong . Tinh dien tich cua hinh chu nhat ban dau ?