A ladder is leading against a building so that the distance from the ground to the top of the ladder is 2 feet less than the len
gth of the ladder. Find the length of the ladder of the distance from the bottom of the ladder to the building is 10feet.
1 answer:
ans= 4
assume that the length of ladder is x
assume length of wall to top of ladder is x-2
the bottom is 10
use pythagoras to find x (hypotenuse)
should get 4 by factorising and squaring towards the end
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