CAT Practice : Coordinate Geometry

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Geometry - Triangles

Basic Geometry

    Q.41: A right angled triangle PQR is such that ∠PRQ = 90° and QR = 4 cm T is a point on QR such that PT = 3 cm, and perimeter of triangle PQT = Perimeter of triangle PTR Then, takes the value.
    1. can’t be determined

 

  • Correct Answer
    Choice (B).

Detailed Solution

In the figure,

Given P (∆PRT) = P (∆PTQ)
=) PR + RT + PT = PT + TQ + PQ
=) PR + RT = QT + PQ
Since, PQ > PR (PQ is hypotenuse)
=) RT > OT
=)
Also, given PT = 3 so RT (PT is hypotenuse)
Since, RT+ TQ = 4, when RT = 3, TQ = 1
But Since RT

∴ b) Answer




Correct Answer: (B) =



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Geometry is probably the most vital topic as far as CAT preparation is concerned. Geometry sets the stage for Trigonometry, Cogeo and Mensuration as well.