From A to B

Geometry Level 1

Given that A = ( − 3 , 6 ) A = (-3, 6) and B = ( 2 , 18 ) B = (2, 18 ) , what is the distance between points A A and B B ?


The answer is 13.

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Arron Kau by Arron Kau

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1 solution

Arron Kau Staff
May 13, 2014

Applying the distance formula, we have

∣ A B ∣ = ( 2 − ( − 3 ) ) 2 + ( 18 − 6 ) 2 = 5 2 + 1 2 2 = 169 = 13. |AB| = \sqrt{ (2-(-3) ) ^2 + (18 - 6) ^2 } = \sqrt{ 5^2 + 12^2 } = \sqrt{ 169} = 13.

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