trankyphong81btxnt trankyphong81btxnt

08-10-2021
Mathematics

contestada

Cho tam giác ABC vuông tại A , đường cao AH . Gọi D và E lần lượt đối
xứng với H qua các cạnh AB và AC
a) C/m D, A , E thẳng hàng
b) C/m BCED là hình thang
c) C/m 0 90 DHE 

Respuesta :

Snowzium Snowzium

08-10-2021

Answer:

Sorry i don't speak Vietnam so i can't help you if you write it in English i will have a chance to help you

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