Nha truong mo rong 1 khu vuon ve ca 4 phia, moi phia them 3m, nen dien tich tang them 96m².Tinh chu vi cua khu vuon hinh vuong ban dau.

nha truong mo rong vuon truong hinh vuong ve ca 4 phia moi phia them 3 m thi dien tich tang them 336 m². tinh chu vi vuon truong khi mo them

mot khu vuon hinh chu nhat co chieu dai 85cm neu mo rong khu vuon nay sao cho chieu rong tang len gap ruoi thi ien tich tang tang them 2125m2 hoi chieu rong cua khu vuon truoc khi mo rong va sau khi mo rong them, dien tich khu vuon nay sau khi mo rong them do duoc la bao nhieu ha

nguoi ta mo rong mot cai ho nuoi ca hinh vuong ve 4 phia , moi phia rong 9m.Sau khi mo rong dien tich ho tang len 972m vuong . tinh dien tich ho sau khi mo rong.

mot vuon trong hinh vuong duoc latb gach men do nhu cau cua nha truong nen mo rong them hai loi di, dien tich tich vuon truong hien nay la 72.96 m2 ,biet phan cu hon dien tich 2 loi di la55.04m2 .tinh dien tich 2 loi di.Hoi can bao nhieu tien de mua gach lat du hailoi di biet moi vien gach hinh vong co canh 4 dm va co gia 15000 dong

ngwoi ta mo rong 1 cai San hinh vwong ve ca 4 phia,moi phia them 4m nen dien tich tang them 240 met vwong.tinh\

a,canh San saw khi mo rong\

b,cach san trc khi mo rong[\

phim liet cac ban thong cam

1 manh dat hinh vuong duoc mo rong ve ben phai 5m phia tren 5m nen dien tich tang them 125m2 . tinh dien tich

 mieng dat hinh chu nhat co chieu dai gap 3 lan chieu rong.Nguoi ta mo ve 3 phia mot phia theo chieu dai va hai phia theo chieu rong thi dien tich tang them 123m2 . Tinh dien tich mieng dat sau khi mo rong , biet rang mo rong moi phia them 3m

mot hinh thang vuong co day be bang 3/5 day lon va chieu cao la 23m .Nguoi ta mo rong thua ruong ve phia canh ben khong vuong goc voi hai day de thua ruong thanh hinh chu nhat .Sau khi mo rong dien tich tang len 207m2 .

a,Tinh dien tich hinh thang ban dau 

b,Tinh xem sau khi mo rong dien tich tang len bao nhieu phan tram

                ghi cach giai giup minh nhe .Cam on.