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A circle has its center at the origin, and (5, -12) is a point on the circle. How long is the radius of the circle?
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A circle has its center at the origin, and (5, -12) is a point on the circle. How long is the radius of the circle?

User Amdorra
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1 Answer

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Use the distance formula. The square root of (X2-X1)squared + (Y2-Y1)squared.
User LubosD
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