2IIM

This question appeared in CAT 2008. A geometry question testing basic concepts of triangles.

Question
In a triangle ABC, the lengths of the sides AB and AC equal 17.5 cm and 9 cm respectively. Let D be a point on the line segment BC such that AD is perpendicular to BC. If AD = 3 cm, then what is the radius (in cm) of the circle circumscribing the triangle ABC?
(1) 17.05
(2) 27.85
(3) 22.45
(4) 32.25
(5) 26.25

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2IIM - IIM CAT Classes, Study Material
Weekend Batch for CAT 2012 starts Sep 18, 2010 @ Mylapore, Chennai.
Quant and DI Core Faculty : IIM Graduates. Batch size < 20 students.

The correct answer is 26.25.

Detailed explanation is at the following location : http://iim-cat-questions-answers.2iim.c ... us_1.shtml

_________________
2IIM - IIM CAT Classes, Study Material
Weekend Batch for CAT 2012 starts Sep 18, 2010 @ Mylapore, Chennai.
Quant and DI Core Faculty : IIM Graduates. Batch size < 20 students.