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Mathematics, 23.11.2021 15:00, mosthatedpicky1
Cho tam giác ABC có AB = AC. Gọi H là trung điểm của cạnh BC.
a) CMR: AH là tia phân giác của BAC và góc B = góc C.
b) CMR: AH vuông góc với BC.
c) Trên tia đối của tia HA lấy điểm K sao cho HK = HA. CMR: CK //AB.
![answer](/tpl/images/cats/otvet.png)
Answers: 2
![Answer](/tpl/images/cats/otvet.png)
answered: Guest
the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180
step-by-step explanation:
![Answer](/tpl/images/cats/otvet.png)
answered: Guest
9sandwiches per hour
![Answer](/tpl/images/cats/otvet.png)
answered: Guest
isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?
a^2 + b^2 = c^2
let c = distance from starting point.
(3)^2 + (5)^2 = c^2
9 + 25 = c^2
34 = c^2
sqrt{34} = sqrt{c^2}
sqrt{34} = c
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Do you know the correct answer?
Cho tam giác ABC có AB = AC. Gọi H là trung điểm của cạnh BC.
a) CMR: AH là tia phân giác của BAC...
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