cho tam giac ABC có so đo ti le nghịch vs 3,4,6 .tinh so do cac goc tam giac ABC
tam giac abc co 1/2 so do goc a bang 2/3 so do goc b bang so do goc c tinh so do cac goc tam giac abc
tam giac abc co 1/2 so do goc a bang 2/3 so do goc b bang so do goc c tinh so do cac goc tam giac abc
Cho tam giac ABC co goc A:B:C=2:3:4.Tinh so do cac goc cua tam giac ABC
Cho tam giac ABC= tam giac DEF biet goc C=5/6 goc B góc E-goc F =10 Tinh so do cac goc cua hai tam giac do
cho tam giac ABC co so do cac goc A,B,C ti e voi 3,2,1.
a.tinh so do cac goc cua tam giac ABC.
b. lay diem D a trung diem cua AC ,ke DM vuong gc voi AC (M thuoc BC). cm rang tam giac ABM la tam giac deu
Cho tam giac ABC, biet goc A - goc B = goc C, 2 lan goc A = 2 lan goc B. Tinh so do cac goc cua tam giac ABC
giúp mình nhé help
cho tam giac abc vuong oa co canh BC=2AB. tinh so do cac goc cua tam giac
tam giac ABC co so do cac goc A,B,C lan luot ty le voi 3;4;5 tinh so do cac goc cua tam giac A,B,C
Can giai dap nhan thank youu