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Mathematics 13 Online
OpenStudy (anonymous):

NEED LIFESAVER!!!!!!!!

OpenStudy (anonymous):

Find the values of x and y.

OpenStudy (anonymous):

Figure coming.

OpenStudy (anonymous):

screw lifesaver >:O

OpenStudy (anonymous):

|dw:1342486923056:dw|

OpenStudy (anonymous):

@coreylvaughn

OpenStudy (anonymous):

That all that they provided you?

OpenStudy (anonymous):

yes... Potential answers: A)12 and 5 B)144 and 60 C)156 and 169 D)144 and 156

OpenStudy (anonymous):

No angles other than 90?

OpenStudy (anonymous):

None

OpenStudy (anonymous):

OK. So pythagorean theorem this thing.

OpenStudy (anonymous):

\[a=\sqrt{65^{2}-25^{2}}\]

OpenStudy (anonymous):

That will give you the left hand side of the BIG triangle.

OpenStudy (anonymous):

Okay?

OpenStudy (anonymous):

Not exactly sure how to do that... Bear with me here.

OpenStudy (anonymous):

From there, we need to set up proportions. We'll do two separate proportion. One at a time though.

OpenStudy (anonymous):

Basically a = 60

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

That's the length of the left side of the BIG triangle. We cool w/that?

OpenStudy (anonymous):

Awesome.

OpenStudy (anonymous):

Now, set up ONE proportion to solve for Z first.

OpenStudy (anonymous):

z/65 = 60/25

OpenStudy (anonymous):

I would rewrite those two fractions on a sheet of paper. Make sure the fractions aren't slanted like above. Make them upright. Then, cross multiply and divide.

OpenStudy (anonymous):

|dw:1342487643527:dw|

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