Cạnh hình vuông là
325:5=65(cm)
Chu vi hình vuông là
65x4=260(cm)
Đáp số: 260 cm
Chúc bạn học giỏi !
Cạnh của hình vuông đó là:
325:5=65(cm)
chu vi hình vuông đó là:
65x4=260(cm)
Đ/S:260cm.
dung roiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
Có [(a-5)x5]x2 +5x5=325 cm vuông
=> (a-5)x 5 x 2 =325-5x5=300 cm vuông
a-5=300/2/5=30 cm
a= 35 cm
P= 140 cm
tớ làm trên violympic rùi là 140 đó bn (tớ chắc 100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000% lun)
oc lon 140cm han hoi cai bon ra 260cm
cạnh là 35
P hình vuông là:
35 x 4=140{cm}
đs:140cm
140đúng 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999%
140 là đúng
tỷ phần trăm