Bài 2
Let ABC be a triangle and let M be the midpoint of BC such that AB=5cm, AM=6cm and AC=13cm. The line through B and perpendicular to BC meets AB at
D, the line through C and perpendicular to BC meets AB at E. Prove that CD is perpendicular to ME
Hình học phẳng
Bài 2
Let ABC be a triangle and let M be the midpoint of BC such that AB=5cm, AM=6cm and AC=13cm. The line through B and perpendicular to BC meets AB at E. Prove that CD is perpendicular to ME
Hình học phẳng
Bài 2
Let ABC be a triangle and let M be the midpoint of BC such that AB=5cm, AM=6cm and AC=13cm. The line through B and perpendicular to BC meets AB at
D, the line through C and perpendicular to BC meets AB at E. Prove that CD is perpendicular to ME
Hình học phẳng