Respuesta :

CastleRook
The distance between the origin (0,0) and point (8,-17) is given by the formula:
d=√[(x-x1)²+(y-y1)²]
plugging the given values in the formula we obtain:
d=√[(-17-0)²+(8-0)²]
d=√[(-17)²+8²]
d=√(289+64)
d=√353
d=18.7883
d~18.79 units (in 2 d.p)

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