You have the rght idea, HiylinLink...but the ladder length is actually the hypotenuse of a right triangle
√ [ 12^2 - 3^2 ] =
√ 144 - 9 ] =
Oh yeah I forgot it's just a bit reverised when searching for the missing leg, thanks.
Yeah, Thanks for letting me know....I better stop talking though I don't wan't to get in trouble on the forum. LOL