a 25 ft ladder sits against a wall. if the base of the ladder is 7 ft form the wall, will you be able to reach a window 22 ft up the wall? if yes, how many feet would you have to spare? if no, how many feet short would you be?

Question

a 25 ft ladder sits against a wall. if the base of the ladder is 7 ft form the wall, will you be able to reach a window 22 ft up the wall? if yes, how  many feet would you have to spare? if no, how many feet short would you be?

anonymous · Answer

i know u set up a triangle and and the base is 7 ft.

campbell_st · Answer

this is pythagoras' theorem, finding the shorter side.... the hypotenuse is 25 and a short side is 7

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so 25^2 - 7^2 = x^2

if x > 22 then the ladder reaches the window