Math, asked by abhirupcrj111p30tp6, 1 year ago

SD×RE = SR×DE
.........

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Answered by sataniksil
1
angle srd = angle drq
drw a perpendicular from R to SD...
area of ∆sdr/area of ∆rde=SD/DE.
due to similarity theorem, SR /RE=SD/DE.
=SD*RE=SR*DE(PROVED)
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