In ∆DEF and ∆PQR, it is given that ∠D = ∠Q and ∠R = ∠E, th – InterviewSolution

1.

In ∆DEF and ∆PQR, it is given that ∠D = ∠Q and ∠R = ∠E, then which of the following is not true?(a) EF/PR = DF/PQ (b) DE/PQ = EF/RP (c) DE/QR = DF/PQ (d) EF/RP = DE/QR

Answer»

(b) DE/PQ = EF/RP

In ∆DEF and ∆PQR, we have:

∠D = ∠Q and ∠R = ∠E

Applying AA similarity theorem, we conclude that ∆DEF ~ ∆QRP.

Hence, DE/QR = DF/QP = EF/PR

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