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helpme9283

  • 3 years ago

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? 5?

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  1. lgbasallote
    • 3 years ago
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    doesnt sound right..

  2. lgbasallote
    • 3 years ago
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    use the distance formula \[\huge \sqrt{(x_2-x_1)^2 + (y_2 - y_1)^2}\]

  3. helpme9283
    • 3 years ago
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    12?

  4. lgbasallote
    • 3 years ago
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    your two points are (0,0) <--center and (5,-12) <--endpoint of radius

  5. katiebugg
    • 3 years ago
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    wouldnt u just messure the distance from the orgin to the point on the circle

  6. lgbasallote
    • 3 years ago
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    @helpme9283 try solving...then guess :p haha

  7. helpme9283
    • 3 years ago
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    13.

  8. lgbasallote
    • 3 years ago
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    right

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