Question

in the adjoining figure ,,,.....

Answer 1

Answer:

Step-by-step explanation:

Hi!!!!

As AD is perpendicular to BC,

∆ABD and ∆ADC are right angled triangles.

By py.theorm,

AB^2=BD^2 + AD^2 in ∆ABD

AC^2=AD^2 + DC^2 in ∆ADC

By subtracting both the equations we get. :

AB^2 - AC^2 = BD^2 -DC^2

Hence AB^2 - BD^2 =AC^2-DC^2

Answer 2

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