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Mathematics 8 Online
OpenStudy (asdfghjkl):

help me with this math problem or else nothing will happen.

OpenStudy (asdfghjkl):

OpenStudy (anthonyym):

Since it's a right triangle, you can use the Pythagorean theorem. Are you familiar with that? a^2 + b^2 = c^2 Length of a leg squared plus length of the other leg squared equals the hypotenuse squared.

OpenStudy (asdfghjkl):

but then what would the bottom leg be? none of the answers make sense.

OpenStudy (anthonyym):

But do you know the Pythagorean theorem though?

OpenStudy (anthonyym):

And do you know what I mean by leg and hyoptenuse

OpenStudy (asdfghjkl):

yes it is A^+B^=C^

OpenStudy (anthonyym):

Ok, so one leg is 48, and the hypotenuse is 52. You are trying to find the other leg (let's call it x), so plugging this in, you have \[x^2 + 48^2 = 52^2\]

OpenStudy (asdfghjkl):

so to find X^ squared we would subtract 48^ from 52^ . But then what would we do?

OpenStudy (anthonyym):

Then take the square root to get x.

OpenStudy (asdfghjkl):

which square root?

OpenStudy (anthonyym):

You have x^2 = 52^2 - 48^2 x^2 = 400 x = sqrt(400)

OpenStudy (asdfghjkl):

so its 20

OpenStudy (asdfghjkl):

thanks

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