alleryThe distance of the point $P(x,y)$ from the origin is:
A$x+y$
B$\sqrt{x^2+y^2}$
C$x^2+y^2$
D$\sqrt{x^2-y^2}$
Answer & Solution
Correct answer: B. $\sqrt{x^2+y^2}$
Distance from origin (0,0) to (x,y) is √(x²+y²).
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