ISKO PINK KAR KE CHOODNE KA KYA MATLAB HAI[7]
In triangle ABC, D is a point on AB and E is a point on AC such that BE and CD are bisectors of ∠B and ∠C respectively. Let Q,M and N be the feet of perpendiculars from the midpoint P of DE onto BC, AB and AC, respectively. Prove that PQ = PM + PN.
edit : its not that easy!!
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