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For two points not on the axes, the distance between them is found using:
APythagoras theorem
BHeron's formula
CSection formula
DMidpoint rule
Answer & Solution
Correct answer: A. Pythagoras theorem
1. Draw perpendiculars to make a right triangle.
2. The segment joining the points is its hypotenuse.
3. So Pythagoras theorem gives the distance.
_Source: NCERT Class 10 Mathematics, Chapter 7, Coordinate Geometry._
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