A circle has its center at the origin, and (5.-12) is a point on the circle. How long is the radius of the circle? 12 5 13

asked Apr 20, 2021 116k views

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A circle has its center at the origin, and (5.-12) is a point on the circle. How long is the radius of the circle?

12
5
13

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4 votes

A(5;-12); O(0;0)

r=OA=√(5²+12²)=√169=13

r=13

Jazkat answered Apr 24, 2021

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