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4 November, 21:07

There are two circles, one represented by the equation (x+2) ² + (y-6) ²=729 and the other is represented by the equation (x-16) ² + (y+49) ²=28²

a. Which circle has a bigger area? Explain how you know. Be clear and complete.

b. Other than the area, how are these two circles different? Be clear and complete.

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  1. 4 November, 21:28
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    a) The second one because it has a radius of 28 while the 1st one has a radius of square (729) = 27

    b) the two circles have different centers

    1st cercle O (-2, 6)

    2nd one O' (16,-49)

    and they don't have different radius as explained above
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