Các câu hỏi tương tự
cho 20 diem tren 1 duong thang so cap tia doi nhau tren hinh ve la
cho 3 diem M N P theo thu tu do nam tren duong thang xy hoi so cap tia doi nhau co trong hinh ve la
cho 3 diem M N P theo thu tu do nam tren duong thang xy so doan thang ci tren hinh ve la so cap tia doi nhau co tren hinh ve la
cho 3 diem A,B,C khong thang hang
a)Ve duong thang AB, doan thang BC,tia AC.Lay dien M tren duong thang AB sao cho B,M nam cung phia so voi diem A
b)Ve tia Ax la tia doi cua tia AC.Lay diem N sao cho A la trung diem cua doan CN(ve tren cung 1 hinh)
20 diem nam tren 1 hinh ve
hoi co may cap tia doi nhau ?
bai 1;cho 2 tia Ox vaOy khong doi nhau
a,ve duong thang aa' cat tia Ox va Oy lan luot tai A va B khac O.Ve diem M nam giua A va B.Ve tia OM.Ve tia ON la tia doi cua tia OM
b,chi ra nhung doan thang tren hinh
c,chi ra 3 diem thang hang tren hinh
bai 2;ve tia Ox.Ve tren tia Ox voi OA la 3cm;OB la 5cm;OC la 7cm
CMR diem B la trung diem doan thang AC
ve duong thang zy lay diem A nam tren duong thang zy.diem B khong nam tren duong thang di qua diem A va B
a,ke ten cac tia goc A
b,ke ten cac tia doi nhau trong hinh
1.Tim cac so tu nhien x sao cho:a/6 chia het cho (x-1) b/14 chia het cho (2.x+3)2.Ve hinh de thay rang moi cau sau day la saia/Hai tia chung goc luon la hai tia doi nhaub/Hai tia chung goc luon la hai tia trung nhauc/Hai tia chung hoc luon la hai tia phan bietd/Hai tia co nhieu diem chung chi khi chung la hai tia trung nhaue/Hai tia phan biet va co chung goc luon la hai tia doi nhauf/Hai tia ko chung goc luon la hai tia khong co diem chung3/a/Ve 3 diem thang...
Đọc tiếp
1.Tim cac so tu nhien x sao cho:
a/6 chia het cho (x-1) b/14 chia het cho (2.x+3)
2.Ve hinh de thay rang moi cau sau day la sai
a/Hai tia chung goc luon la hai tia doi nhau
b/Hai tia chung goc luon la hai tia trung nhau
c/Hai tia chung hoc luon la hai tia phan biet
d/Hai tia co nhieu diem chung chi khi chung la hai tia trung nhau
e/Hai tia phan biet va co chung goc luon la hai tia doi nhau
f/Hai tia ko chung goc luon la hai tia khong co diem chung
3/
a/Ve 3 diem thang hang A,B,C sao cho diem B nam giua hai diem A,C.Sau do hay ke ten:cac tia,cac cap tia doi nhau,cac cap tia phan biet,cac cap tia trung nhau co trong hinh ve do.
b/Ve 4 diem A,B,C,D tren mot duong thang sao cho diem B nam giua hai diem A,C va diem C nam giua hai diem B,D.Sau do hay ke ten:cac tia,cac cap tia doi nhau,cac cap tia phan biet,cac cap tia trung nhau co trong hinh ve do.
~~~~~~~~~~~~~Giup tui voi!!!!!~~~~~~~~~~~~~~
Cho cac diem A va B thuoc duong thang a,diem C nam giua A va B.diem D nam giua C va B.cau hoi;a,tim tren hinh ve cac tia doi nhau goc C.b,dung lap luan chung to C nam giua A va B.c,tren hinh ve co bao nhieu doan thang?la nhung doan thang nao