A fireman ladder 20 cm long reaches a window 12 cm above the ground in one side of the street. Keeping the foot at the same point, ladder is turned on the other side of the street to reach a window at a height of 16 cm find the width of the street ( class 7 from ch properties of triangles)
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I answered a similar question a few moments ago. I am posting that. Just change the numbers. Do let me know if u need help.
Here change 15 to 20. Keep 12 as 12 and change 9 to 16 and solve.
Here change 15 to 20. Keep 12 as 12 and change 9 to 16 and solve.
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