CAT Practice : Coordinate Geometry

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Geometry - Triangles

Basic Geometry

    Q.45: The number of sides in a regular polygon is ‘T’ times the number of diagonals in it. What is the interior angle of this polygon in terms of T?


  • Correct Answer
    Choice (A).

Detailed Solution

Let the number of sides in the regular polygon be n.
Therefore, Number of diagonals = nC2 – n =
Given, Number of sides = p x Number of diagonals
Interior angle =

Correct Answer:

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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.