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

asked Nov 7, 2019 192k views

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$d= √((7-3)^2+(-1-5)^2) = √(16+36) = √(52) =2 √(13) \\ \\ r= (d)/(2)= (2 √(13) )/(2) = √(13)$

the length of a radius of the circle is √13

Lorelorelore answered Nov 11, 2019

7.8k points

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