subject
Mathematics, 26.07.2021 18:20 kaleyahkay7474

Cho tam giác ABC cân tại A , BD vuộng góc với AC, CE vuông góc với AB, BD và CE cắt nhau tại H a) Chứng minh BD=CE b) tam giác BHC cân c) chứng minh AH là đường trung trực của BC d) Trên BD lấy K sao cho D là trung điểm của BK. So sánh góc ECBvaf góc DKC

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
The graph of f(x), shown below, resembles the graph of g(x) = x2, but it has been changed somewhat. which of the following could be the equation of f(x)?
Answers: 2
question
Mathematics, 21.06.2019 20:30
Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for
Answers: 2
question
Mathematics, 21.06.2019 22:00
Uestion 1(multiple choice worth 5 points) (05.02)alex wants to paint one side of his skateboard ramp with glow-in-the-dark paint, but he needs to know how much area he is painting. calculate the area of the isosceles trapezoid. isosceles trapezoid with top base 12 feet, bottom base of 18 feet, and height of 6 feet. 72 ft2 84 ft2 90 ft2 108 ft2
Answers: 1
question
Mathematics, 21.06.2019 22:30
Math question.. plz me .. best answer all
Answers: 3
You know the right answer?
Cho tam giác ABC cân tại A , BD vuộng góc với AC, CE vuông góc với AB, BD và CE cắt nhau tại H a) Ch...
Questions
question
Chemistry, 26.02.2021 20:10
question
SAT, 26.02.2021 20:10
question
Mathematics, 26.02.2021 20:10
Questions on the website: 13722367