Các câu hỏi tương tự
ve hinh theo cach dien dat bang loi sau
a, ve duong thang MN
b, ve tia MN
c, diem C nam tren tia MN,co nhung kha nang nao xay ra?.Doi voi moi truong hop do hay chi ra diem
nam giua 2 diem con lai
cho 5 diem phan biet , ve dc bao nhieu duong thang di qua cac cap diem trong cac truong hop sau:
a/ ko co 3 diem nao thang hang
b/ co 3 diem thang hang
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
a/Cho 3 diem A,A,C thang hang thi co may truong hop hinh ve?
b/Trong moi truong hop,co may diem nap giua hai diem con lai?
c/Hay noi cach ve ba diem khong thang hang.
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!!!!!~~~~~~~~~~~~~~
1. Tren 1 duong thang xy lay 4 diem phan biet A,B,C,D hay chi ra cac tia doi nhau
2. cho 10 diem trong do khong co ba diem thang hang . Cu qua hai diem ta ve duoc 1 duong thang . Hoi co tat ca bao nhieu duong thang?
3. cho n diem trong do khong co ba diem nao thang hang . Cu qua hai diem trong so cac diem do ve duoc 1 duong thang. Biet rang co 435 duong thang tao thanh .Tim n?
Tren duong thang xy lay 4 diem A,O,B,E sao cho O nam giua A va B , B nam giua O va E . Hay ke ten :
a) cac cap tia doi nhau
b) cac tia goc A trung nhau , cac tia goc O trung nhau
c0 Co bao nhieu tia phan biet tren hinh ve ?
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
cho hai duong thang a va b song song. tren duong thang a lay 10 diem phan biet, tren duong thang b lay 15 diem phan biet. hoi co the ve bao nhieu duong thang phan biet qua 2 trong cac diem da cho ?