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  • one year ago

The center of a circle is at the origin. An endpoint of a diameter of the circle is at (-3, -4). How long is the diameter of the circle? 5 10 25

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  1. anonymous
    • one year ago
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    This endpoint is at -3 in x and -4 in y. You can use pythagoras to find the answer ( -3)^2+(-4)^2= radius^2 When you get the radius value, multiply it by two and that will be your diameter

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