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[" EXAMPLE "(4)" A ladderhas rungs "25" ...

[" EXAMPLE "(4)" A ladderhas rungs "25" cmapart (See Fig "9.4)." The rungs decresse unifific "],[" from "45" cmat the bottom to "25cm" at the top.If the top and bottom rungs are "2.5" meter "],[" the length of the wood required for the rungs? "],[" SOLUTION It is given that the gap between two consecutive rungs is "25cm" and "],[" bottom rungsare "2.5" metrei.e.,"250cm" apart."]

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