alleryThe distance of point (5, 0) from the origin is
A10 units
B5 units
C0 units
D25 units
Answer & Solution
Correct answer: B. 5 units
1. Use d = sqrt(x^2 + y^2).
2. = sqrt(5^2 + 0^2) = sqrt(25).
3. = 5 units.
4. So the distance is 5 units.
_Source: Selina Concise Mathematics Class 9, Ch 26 Co-ordinate Geometry (Mistral OCR'd PDF), section on distance from origin_
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