## IB Math Distance between two points

Number and algebra, Descriptive statistics, Logic, sets and probability, Statistical applications, Geometry and trigonometry, Mathematical models, Introduction to differential calculus.

### IB Math Distance between two points

IB Mathematics Studies, Distance between two points

How can we find the distance between two points A(12,4) and B(-10,8)?

Thanks
William

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Joined: Mon Jan 28, 2013 8:07 pm

### Re: IB Math Distance between two points

IB Mathematical Studies, Coordinate geometry

The distance between two points $A(x_{1}, y_{1})$ and $B(x_{2}, y_{2})$ is given by the following formula:

$d_{AB}= \sqrt{( x_{2}- x_{1})^2+( y_{2}- y_{1})^2}$

Applying the above formula in our case we have

$d_{AB}= \sqrt{(-10-12)^2+(8-4)^2}=\sqrt{484+16}=\sqrt{500}=10\sqrt{5}$

Hope these help!
nicole

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Joined: Mon Jan 28, 2013 8:10 pm

### Re: IB Math Distance between two points

Thanks Nicole!
William

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Joined: Mon Jan 28, 2013 8:07 pm