In a triangle ABC, the lengths of the si...

In a triangle ABC, the lengths of the sides AB and AC equal to 17.5 cm an 9 cm respectively . Let D be a point on the line segment BC such that AD is perpendicular to BC. If AD=3 cm, the what is the radius (in cm ) of the circule circumscribing the triangle ABC ?

17.05

27.85

22.45

26.25

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