ihatealgebrasomuch
Will someone please help me find the value of x? ** will draw image **



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ihatealgebrasomuch
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dw:1353798223203:dw

jim_thompson5910
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add on y and z like so
dw:1353798502070:dw

jim_thompson5910
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they will help us find x

jim_thompson5910
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by the pythagorean theorem
a^2 + b^2 = c^2
9^2 + y^2 = 15^2
81 + y^2 = 225
y^2 = 225  81
y^2 = 144
y = sqrt(144)
y = 12

jim_thompson5910
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so our drawing updates to this
dw:1353798568054:dw

jim_thompson5910
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i got 13 from the fact that 12+13 = 25

jim_thompson5910
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do you see how to get x now?

ihatealgebrasomuch
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Yes, okay thank you so much!!! this really helped!
