I'm getting really annoyed at Truong homework, as well. I skipped so many parts by accident, I decided to redo all of my homework.

18. Show that the triangle who sides satisfy x-5y+2=0, x+4y+11=0, 5x+y=2 is right angled.

**Find the length of the hypotenuse in surd form.**

How do I find the length of the hypotenuse? I proved that it's right angled. The first and third line are perpendicular. So that'd mean the 2nd line (x+4y+11=0) is the hypotenuse, right? And Idk what I'm meant to do from there. Help? :SHow do I find the length of the hypotenuse? I proved that it's right angled. The first and third line are perpendicular. So that'd mean the 2nd line (x+4y+11=0) is the hypotenuse, right? And Idk what I'm meant to do from there. Help? :S

4:31PM - Wow, my blog looks really empty, cuz of the layout. What do you guys rkn? :I

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