Các câu hỏi tương tự
tren nua mat phang bo chua tia Ox ve 2 tia Oy vaOz sao cho goc xOy= 30 do, xOz= 60 do
a, chung minh tia Oy la tia phan giac cua goc xOz.
b, Goi Ot la tia doi cua Oy. Tinh tOx.
c, Ve them 3 tia OA,OB,OC ko dung voi cac tia tren. Hoi co bao nhieu goc tao thanh tren hinh ve
MN GIUP MIK VOI
ve n tia phan biet chung goc. Biet rang tren hinh ve co 36 goc. gia tri cua n la?
ve n tia chung goc, cac tia chung goc tao thanh 36 goc.Tim n?
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!!!!!~~~~~~~~~~~~~~
tren duong thang xy lay diem O, ve them hai tia Om va On . co tat ca bao nhieu goc? la nhung goc nao? trong do co goc bet khong?
giup minh voi! ai giup duoc cho 10 tk lien!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Tren cung mot nua mat phang co bo chua tia ox , ve hai tia oy va oz sao cho goc xoy=60° , goc xoz=120°
A. Tinh yoz
B. Goi tia ot la tia doi cua tia ox. Tinh xot
C. Tren hinh ve tia nao la tia phan gia cua mot goc nao khong ? Vi sao?
Ve hinh giup minh nhe
tren cung 1 nua mat phang co bo chua tia 0x ve tia 0m va 0n sao cho goc x0m =45 do , goc x0n =110 do
a/ trong 3 tia 0m , 0n , 0x ,tia nao nam giua 2 tia con lai ?
b/ tinh so do goc m0n
c/ tren nua mat phang chua tia 0x bo la duong thang chua tia 0m ve goc y0m =115do .chung to ran goc x0y va goc x0n la 2 goc ke bu
GIAI NHANH GIUP MINH VOI NHE , GAP LAM DAY , MINH SE TICH CHO
THANKS!
Ve hinh de thay moi cau sau la sai:
a) hai tia chung goc luon la hai tia doi nhau
b) hai tia chung goc luon la 2 tia trung nhau
c)hai tia chung goc luon la 2 tia phan biet
d)hai tia co nhieu diem chung chi khi chung la 2 tia trung nhau
e)hai tia phan biet va co goc chung luon la 2 tia doi nhau
f)hai tia khong chung goc luon lA 2 tia khonh co dIEM chung
ai giup minh minh cam on nhIeu nha!!!
ve n tia chung goc (n lon hon hoac bang 2),trong do khongco hai tia nao trung nhau
a,neu n=5 thi co bao nhieu goc tao thanh?
b,neu co 105 goc tao thanh thi nla bao nhieu?