Mathematics, 24.07.2021 17:40 xTrippyBeach4201x
Giúp em câu c và câu d ạ
Cho hình thang cân abcd đáy lớn ad, o là giao điểm 2 đường chéo biết góc boc=60 độ gọi I, m,n, p,q theo thứ tự là trung điểm của bc,òa, ob, ab và CD
a, C/m dm vuông góc với ac và cn vuông góc với bd
b, C/m tắm giá mnq là tấm giác đều
c, C/m góc mqp=góc qnd=góc nmc
d, C/m trực tâm h của tấm giác mnq và 2 điểm i, o là 3 điểm thẳng hàng
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 16:30
Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.
Answers: 1
Mathematics, 21.06.2019 23:30
Tatiana wants to give friendship bracelets to her 32 classmates. she already has 5 bracelets, and she can buy more bracelets in packages of 4. write an inequality to determine the number of packages, p, tatiana could buy to have enough bracelets.
Answers: 1
Mathematics, 22.06.2019 00:30
The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?
Answers: 1
Mathematics, 22.06.2019 03:30
How much money does ron have left each month after his fixed expenses? ron graduated from college five years ago. he recently bought a house, but shares it with a housemate who pays him $800 a month for rent and utilities. ron is putting a budget worksheet together so he will have a better idea of where his money is going and where he can save. enlarge
Answers: 3
You know the right answer?
Giúp em câu c và câu d ạ
Cho hình thang cân abcd đáy lớn ad, o là giao điểm 2 đường chéo biết góc b...
Questions
History, 29.04.2021 07:30
Physics, 29.04.2021 07:30
Mathematics, 29.04.2021 07:30
Mathematics, 29.04.2021 07:30
Health, 29.04.2021 07:30
History, 29.04.2021 07:30
Mathematics, 29.04.2021 07:30
Mathematics, 29.04.2021 07:30
Mathematics, 29.04.2021 07:30
Mathematics, 29.04.2021 07:30
Mathematics, 29.04.2021 07:30
Chemistry, 29.04.2021 07:30
