are there any free online tutors that can help me?

Question

austinl · Answer

What is your question?

anonymous · Answer

Well, im trying to use the pythagorean thereom and im all kinds of lost
and i dont have like a whiteboard app or something to like even show it :/

anonymous · Answer

figured it out, let me draw this for you

austinl · Answer

Pythagorean Theorem
$a^2+b^2=c^2$
|dw:1379015789012:dw|

anonymous · Answer

|dw:1379015809493:dw|

austinl · Answer

|dw:1379015890269:dw|

anonymous · Answer

7^2 + y^2 = x^2

anonymous · Answer

7y^2?

austinl · Answer

$7^2+y^2=x^2$

anonymous · Answer

alright, what next?

austinl · Answer

Well, what do you need to solve for?
Typically there is one variable and two numbers and you solve for the missing side.

anonymous · Answer

uhm, it says to find both the missing rides, so at this point would i use the uhm 45 90 45 thereom?

anonymous · Answer

no i have to find the length of the leg first, and then i can find the hypotenuse. So how do i find x?

anonymous · Answer

i mean y

austinl · Answer

Do we know the measure of any of the other angles?

anonymous · Answer

its two 45 degree angles and one 90 degree angle, and the only other measurement is 7

austinl · Answer

THAT HELPS!

jdoe0001 · Answer

|dw:1379017033303:dw| 45-45-90 rule => http://nanharbison.com/sats/math_images/45-45-90.gif notice the ratio relationships