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Mathematics for IGCSE & O level - Coordinate Geometry (Section 2 - No. 43)

If the line segment has endpoints (3, 1) and (7, 4), what is its length?
5
6
7
8

설명

Distance = √((7-3)^2 + (4-1)^2) = √(16+9) = √25 = 5

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