China Naming Network - Eight-character fortune telling - Proof of figure 8 isosceles congruence
Proof of figure 8 isosceles congruence
Proof: connect MD and me.
÷Δt △ m in CBD is the midpoint of BC,
∴MD= 65438+ 0/2 BC,
∵Rt△CBE, m is the midpoint of BC,
Me = 65438+0/2 BC,
∴MD=ME，
∫N is the midpoint of DE,
∴NM⊥DE.