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Mathematics for IGCSE & O level - Coordinate Geometry (Section 3 - No. 1)
What is the distance between the points (3, -2) and (7, 1)?
3
4
5
6
Paliwanag
Distance = √((7-3)^2 + (1-(-2))^2) = √(16 + 9) = √25 = 5
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