idioticeinstein7841 idioticeinstein7841

18-08-2017
Mathematics

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The equation of a circle is (x + 7)2 + (y + 2)2 = 49. determine the length of the diameter.

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ghanami ghanami

18-08-2017

hello :
the ridus is : √49 =7
the length of the diameter is : 2 ×7 =14

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