w w, is a window against which a ladder 8.5 m long rests. The height of the window is 7.5 m from the ground. Without moving the bottom of the ladder, it is turned around to rest against a window W, on the opposite wall. If the height of window W, is 4 m above the ground, find the distance between the walls.
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Answer:
12 cm
Step-by-step explanation:
because 8.5+7.5-4
=12 is ans
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