Homework Help: pythagoras theorem

Posted by Anonymous on Tuesday, February 22, 2011 at 5:20am.

a ladder is leaning against a wall. it reaches 2.5cm up the wall and its foot is 1.2m from the base of the wall. how long is the ladder to one decimal point

pythagoras theorem - Reiny, Tuesday, February 22, 2011 at 9:23am
solve
x^2 = 2.5^2 + 1.2^2

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