subject
Mathematics, 10.12.2021 06:30 dion27

Câu 6: Cho tam giác ABC vuông tại A (AB < AC). Vẽ AH ⊥ BC (H ∈ BC). Lấy điểm K trên tia HC sao cho: HK = BH. Qua K kẻ đường thẳng vuông góc với AC tại I (I ∈ AC),
đường thẳng đó cắt tia AH tại E
a) Chứng minh ∆ AHB = ∆ AHK;
b) Chứng minh: EI // AB;
c) Chứng minh: AH = HE
d) Lấy điểm D trên đoạn CE sao cho CD = CI. Chứng minh 3 điểm A, K, D thẳng hàng

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 12:30, ggpro4life3000
The graph of the quadratic function shown on the left is y = –0.7(x + 3)(x – 4). the roots, or zeros, of the function are . determine the solutions to the related equation 0 = –0.7(x + 3)(x – 4). the solutions to the equation are x =
Answers: 1
image
Mathematics, 21.06.2019 16:00, OKgoogle
What is the value of x in the diagram below?
Answers: 2
image
Mathematics, 21.06.2019 18:30, sakria2002
What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12
Answers: 1
image
Mathematics, 21.06.2019 19:00, abraham1366
Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42
Answers: 1
You know the right answer?
Câu 6: Cho tam giác ABC vuông tại A (AB < AC). Vẽ AH ⊥ BC (H ∈ BC). Lấy điểm K trên tia HC sao...

Questions in other subjects: