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Question
Find the distance of the following point from the origin :
(13 , 0)
Solution
P (0,0) , Q (13 , 0)
PQ = `sqrt (("x"_2 - "x"_1)^2 + ("y"_2 - "y"_1)^2)`
= `sqrt ((13 - 0)^2 + (0 - 0)^2)`
`= sqrt 169`
= 13 units
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