The distance of the point (9, -12) from origin will be ___________(a) 13(b) 15(c) 14(d) 17I got this question in quiz.This is a very interesting question from Geometry in chapter Coordinate Geometry of Mathematics – Class 10

The distance of the point (9, -12) from origin will be ___________(a)

1.	The distance of the point (9, -12) from origin will be ___________(a) 13(b) 15(c) 14(d) 17I got this question in quiz.This is a very interesting question from Geometry in chapter Coordinate Geometry of Mathematics – Class 10
Answer» RIGHT choice is (B) 15 To explain I would say: DISTANCE between (9, -12) and (0, 0) = \( \sqrt {(x_2-x_1)^2 + (y_2-y_1)^2} \) = \( \sqrt {(0-9)^2 + (0 + 12)^2} \) = \( \sqrt {(9)^2 + (-12)^2} \) = \( \sqrt {81 + 144}\) = √225 = 15

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