Asked by Mr.AMG
35 decimeter string is attached to both ends of a 25 decimeter pole. At what point of the string do you need to pull to make a right triangle?
Answers
Answered by
bobpursley
lets see..sum of one leg and hypotensues is 35
25^2+L^2=H^2
but 35=L+H or H=35-L
625=(35-L)^2-L^2
solve for L
25^2+L^2=H^2
but 35=L+H or H=35-L
625=(35-L)^2-L^2
solve for L
Answered by
Mr.AMG
Hmm that's what I also thought when I tried to solve this. I get 70L = 600 so L = 600/70 therefore L ~ 8.57
Answer given is 20 dm (or 15 dm) depending on which end of the pole I suppose.
Answer given is 20 dm (or 15 dm) depending on which end of the pole I suppose.
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