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15-03-2017
Mathematics

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A diameter of a circle extends from the point (4,-5 to the point (9,0 what is the approximate length of the radius of the circle

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15-03-2017

Diameter = √(9-4)² + (0-(-5))² = √5² + 5² = √50 = 5√2

Radius = 5√2 / 2 = 5/√2

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