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In a Quadrilateral Pqrs, the Diagonals Pr and Qs Intersect Each Other at the Point T. If Pt:Tr = Qt :Ts = 1:2, Show that δPtq - Drts - Mathematics

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Question

In a quadrilateral PQRS, the diagonals PR and QS intersect each other at the point T. If PT:TR = QT :TS = 1:2, show that ΔPTQ - DRTS

Sum

Solution


Consider ΔPTQ and ΔRTS,

`"PT"/"TR" = "QT"/"TS" = (1)/(2)`  ...(Given)

∠PTQ = ∠RTS      ...(Vertically Opposite angles)
⇒ ΔPTQ ∼ ΔRTS.  ...(SAS criterion for Similarity)

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Chapter 16: Similarity - Exercise 16.1

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Frank Mathematics [English] Class 9 ICSE
Chapter 16 Similarity
Exercise 16.1 | Q 21.1
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