1. 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?
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By: anil on 05 May 2019 02.29 am
Let x be the value of third side of the triangle. Now we know that Area = 17.5*9*x/(4*R), where R is circumradius. Also Area = 0.5*x*3 . Equating both, we have 3 = 17.5*9 / (2*R) => R = 26.25.
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