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Mathematics 7 Online
OpenStudy (anonymous):

!!~~WILl medal and fan for great help~~!!

OpenStudy (anonymous):

I am here... again

OpenStudy (anonymous):

Which of the following shows the length of the third side, in inches, of the triangle below? A right triangle is shown. One side of the triangle is labeled as 25 inches. The height of the triangle is labeled as 15 inches. 20 inches Square root of 850 inches Square root of 10 inches 40 inches

OpenStudy (anonymous):

OpenStudy (anonymous):

Use pythagorean theorem

OpenStudy (anonymous):

25*25 15*15

OpenStudy (anonymous):

\[15^{2}+x ^{2}=25^{2}\]

OpenStudy (anonymous):

Please allow the poster to do the algebra themselves.

OpenStudy (anonymous):

okay, I will stop

OpenStudy (anonymous):

625+225

OpenStudy (anonymous):

850

OpenStudy (anonymous):

As hetero mentioned \[15^2 +x^2=25^2\] so you need to solve for x here first

OpenStudy (anonymous):

hmm

OpenStudy (anonymous):

how tho?

OpenStudy (anonymous):

Well first thing, how do you get x^2 on its own?

OpenStudy (anonymous):

i reall dont know

OpenStudy (anonymous):

The formula is what ever, but you must understand what it means and how to find the variables. In the equation \[a^2+b^2=c^2\] c is the longest side often called the hypotenuse, and a and b are the legs of the triangles. |dw:1438608431801:dw|

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