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Gekata [30.6K]
3 years ago
11

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?

Mathematics
2 answers:
aivan3 [116]3 years ago
7 0
Hello here is a solution :
<span> the radius of the circle is OA        A(5;-12) and O (0;0)
OA= </span><span>  square root ((5-0)² + (-12-0)²) 
</span>     = <span>  square root (25+144) 
</span>     = <span>  square root(169)
</span> OA = 13

Alinara [238K]3 years ago
4 0

13, because I said so.

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