Chieu rong cua cai mat ban do la
1.5:3×2=1m2
Dien h mat ban do la
1.5×1=1.5m2
Dien h hinh thoi do la
1.5×1:2=0.75m2
Thay dung thi k minh nah
tren mat ban hinh chu nhat co chieu dai 1,5m,chieu rong bang 2/3 chieu dai, nguoi ta trai mot cai khan trai ban hinh thoi co hai duong cheo lan luot bang chieu dai va chieu rong mat ban.tinh dien tich cai khan trai ban va dien tich mat ban.nhanh len nhe minh can gap lam
tren 1 mat ban hinh chu nhat co chieu dai la 1,5 , chieu rong bang 2/3 chieu dai , nguoi ta chai 1 cai khan trai ban hinh thoi co duong cheo lan luot bang chieu dai va chieu rong mat ban . tinh dien tich cai khan trai ban va dien tich mat ban
tren 1 mat ban hinh chu nhat co chieu dai la 1,5 , chieu rong bang 2/3 chieu dai , nguoi ta chai 1 cai khan trai ban hinh thoi co duong cheo lan luot bang chieu dai va chieu rong mat ban . tinh dien tich cai khan trai ban va dien tich mat ban
tren 1 mat ban hinh chu nhat co chieu dai la 1,5 , chieu rong bang 2/3 chieu dai , nguoi ta chai 1 cai khan trai ban hinh thoi co duong cheo lan luot bang chieu dai va chieu rong mat ban . tinh dien tich cai khan trai ban va dien tich mat ban
mot chiec khan trai ban hinh chu nhat co chieu dai 2m va chieu rong 1,5m .o giua khan nguoi ta theu hoa tiet trang ri hinh thoi co cac duong cheo bang chieu dai va chieu rong cua hinh chu nhat .tinh dien tich khan trai ban va dien tich hinh thoi ?
Mot chiec kan trai ban hinh chu nhat co chieu dai 2m va chieu rong 1,5m o giua khan nguoi ta theu hoa tiet trang tri hinh thoi co cac duong cheo bang chieu dai va chieu rong cua hinh chu nhat tinh dien tich khan trai ban va dien tich hinh thoi
Mot chiec khan trai ban hinh chu nhat co chieu dai 2m va chieu rong 1,5m. O giua khan nguoi ta theu hoa tiet trang tri hinh thoi co cac duong cheo bang chieu dai va chieu rong cua hinh chu nhat . Tinh dien tich khan trai ban va dien tich hinh thoi ??? minh dang can ngay cam on moi nguoi rat nhiu
mot chiec khan trai ban hinh chu nhat co chieu dai 2m va chieu rong 1.5m . O giua khan nguoi ta theu hoa tiet trang tri hinh thoi co cac duong cheo bang chieu dai va chieu rong cua hinh chu nhat . Tinh dien tich khan trai ban va dien tich hinh thoi
Mot chiec khan trai ban hinh chu nhat co chieu dai 20m,chieu rong 1,5m.O giua khan nguoi ta theu hoa co dang hinh thoi co duong cheo bang chieu dai chieu rong hinh chu nhat.Tinh dien tich phan con lai
