Các câu hỏi tương tự
Ve 5 diem A,B,C,D sao cho 3 diem A,B,C thang hang, 3 diem B,C,D thang hang, 3 diem C,D,E khong thang hang
a) Giai thich vi sao 3 diem A,B,D thang hang
b) Tren hinh ve hay tim diem nam giua 2 diem con lai
Ve hinh theo cach dien dat sau:
a, diem M nam giua hai diem A va B: diem N khong nam giua hai diem A va B (ba diem N,A,B thang hang)
b, Diem B nam giua hai diem A va N; diem M nam giua hai diem A va B
ve : a) ba diem m,n,p thang hang .b)ba diem c,e,d thang hang sao cho diem e nam giua hai diem cvad .c)ba diem t,q,r khong thang hang
Lay 3 diem khong thang hang A,B,C ve hai tia AB,AC
Ve tia Ax cat duong thang BC tai diem M nam giua B va C
Ve tia Ay cat duong thang BC tai diem N ko nam giua B,C
lay ba diem khong thang hang a,b,c .ve hai tia ab,ac.ve hai tia ab , ac
a, ve tia ay cat duong thang bc tai diem m nam giua b va c
b,ve tia ay cat duong thang bc tai diem n khong nam giua b va c
Cho 2 doan thang a , b cat nhau tia O , M thuoc q , M thuoc b
a, hay ve diem A sao cho M nam giua O va A roi ve diem B sao cho B nam giua O va N
b, goi I la diem cua 2 doan thang AB va MN . Diem I nam giua 2 diem nao . Diem I co nam giua A va N khong
a/Cho ba diem A,B,C thang hang thi co may truong hop hinh ve?
b/Trong moi truong hop,co may diem nam giua hai diem con lai?
c/Hay noi cach ve ba diem khong thang hang
cho 3 diem A,B,C, khong thang hang,ve doan thang BC
ve diem M la trung diem cua doan thang BC
ve tia BA,duong thang AC
ve duong thang AD sao cho M nam giua A va D
cho ba diem a,b,c khong thang hang ve duong thang ab tia ac doan thang bc diem m nam giua b va c