Question
What is the measure of the radius of the circle that
forms a triangle whose sides are 8 units, 15 units, and 17 units?Solution
AC-17, AB=15, BC = 8 AC² = AB+BC 289=225+64 
Hence Triangle ABC is a right-angled triangle. Therefore, a triangle that is inside a circle is right-angled, then the hypotenuse is the diameter of the circle. Hence the radius of the circle CO = OA = AC (diameter) = 17/2 radius = 8.5 units​
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