Question

in triangle abc ad is median BL and CM of perpendicular drawn from B and C respectively on the and produced prove that b l is equal to cm​

Answer 1

In ΔBDL and ΔCDM,

∠BLD=∠CMD(both equal to 90°)

∠BDL=∠CDM(vetically opposite angles are equal

BD=CD(AD is median)

∴ΔBDL≡ΔCDM(AAS conguency)

⇒BL=CM(cpct,corresponding parts of congruent triangles)

Hence Proved

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