mrDoggo
mrDoggo
13-05-2017
Mathematics
contestada
find distance formula between (-9, 1) & (-5, -2)
Respuesta :
irspow
irspow
13-05-2017
The "distance formula" is a result of the Pythagorean Theorem:
h^2=x^2+y^2, where h is the hypotenuse of a right triangle and x and y are the side lengths.
The distance formula then becomes:
d^2=((x2-x1)^2+(y2-y1)^2
In this case:
d^2=(-5--9)^2+(-2-1)^2
d^2=4^2+(-3)^2
d^2=16+9
d^2=25
d=√25
d=5 units
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