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Mathematics for IGCSE & O level - Coordinate Geometry (Section 1 - No. 40)
What is the distance between the points (2, 1) and (5, 5)?
3
4
5
6
Paliwanag
Distance = √((5-2)^2 + (5-1)^2) = √(9 + 16) = √25 = 5
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