cai day viet thieu nen them cai day vao nhe
tim dien tich tam giac ABC biet MH=12cm,AB=25cm.Doan thang BM=2/2 doan thang MN.Doan thang NC=1/2doan thang MN.
cai nay thi moi dung
tim dien tich tam giac ABC biet MH=12cm,AB=25cm.Doan thang BM=2/2 doan thang MN.Doan thang NC=1/2 doan thang MN
Tim dien tich tam giac ABC biet MH=12cm,AB=25cm.Doan thang BM=2/2 doan thang MN.Doan thang NC=1/2 doan thang MN.
cho tam giac ABC co so do AB=25cm tren canh BC lay 2 diem MN sao cho doan BM=2/3 do dai doan mn tim dien tich tam giac abc biet tam chieu cao tam giac AMB ke tu M=12cm
TAM GIAC ABC CO DUONG CAO AH DAI 3 CM , DOAN THANG HB DAI GAP DOI DOAN THANG HC . CHO BIET DIEN TICH HINH TAM GIAC VUONG AHC BANG 3 CM2 TINH DIEN TICH TAM GIAC ABC
cho hinh thang ABCD. Day ab bang 1/3 day cd, doan ac cat bd tai o. tim dien tinh tam giac abc va abd biet dien tich hinh thang la 48 cm2
Cho tam giac abc co canh bc dai6cm va diem enam chinh giua canh ac.hay tim mot diem h tren canh bc sao cho doan thang eh chia tam giac abc thanh 2phan sao cho dien tich phan nay gap doi dien tich phan kia.tinh dien tich tam giac ahc va dien tich tam giac ebh biet chieu cao ah cua tam giac abc la3cm
CHO TAM GIAC ABC CO dien tich la 48 cm vuong ,M la trung diem cua doan thang AB ,N LA TRUNG DIEM CUA DOAN THANG BM ,Q la trung diem doan thang AC , P la trung diem cua doan thang QC . DIEN TICH HINH TU GIAC MNPQ
cho hinh tam giac ABC vuong o dinh A , canh AB co do dai bang 25 cm, tren canh BC diem M va diem N sao cho doan BM bang 2/3 doan MN, doan CN bang 1/2 doan MN, biet chieu cao MH cua tam giac ABM bang 12cm.Tinh dien tich tam giac ABC.Cac ban nho ve hinh cho mk nhe, cam on nhiu.
Cho hinh chu nhat ABCD, lay diem M tren canh CD sao cho MD bang 1/3 CD, lay diem N tren canh BC sao cho BN bang 1/3 BC. Doan thang AC cat BM tai P, doan thang AN cat BM tai Q. Tinh dien tich hinh tu giac PQNC biet dien tich tam giac APQ la 216 cm2.