lexiflorence lexiflorence
  • 04-03-2018
  • Mathematics
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p(3,5) and q(7,-1) are the end points of a diameter of a circle. what is the length of a radius of the circle

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Banabanana
Banabanana Banabanana
  • 04-03-2018
[tex]d= \sqrt{(7-3)^2+(-1-5)^2} = \sqrt{16+36} = \sqrt{52} =2 \sqrt{13} \\ \\ r= \frac{d}{2}= \frac{2 \sqrt{13} }{2} = \sqrt{13} [/tex]

the length of a radius of the circle is √13
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