Math, asked by sminesh662, 10 months ago

IF DE PARALLEL BC,
CD PARALLEL EF,
THEN PROVE THAT,
AD^2=AB*AF

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Answers

Answered by Khotayadav7400

10

Answer:

Step-by-step explanation:

this question can be solved by using thales theorm corollary or bpt corollary

in ADC,by BPT

we get

af/ad=ae/ac . eq1

in ABC,by BPT

we get

ad/ab=ae/ac . eq2

from 1 and 2

we get

af/ad=ad/ab

by cross multiplying

ad²=af×ab

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