alleryThe distance between (0, 0) and (3, 4) is
A5 units
B7 units
C12 units
D1 unit
Answer & Solution
Correct answer: A. 5 units
1. Use d = sqrt((3 - 0)^2 + (4 - 0)^2).
2. = sqrt(9 + 16) = 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 formula_
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