10. A ladder is placed with its foot 5m from the bottom of a wall 12m high. The
top of the ladder just reaches the top of the wall. Find the length of the ladder
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10th
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Pythagoras Theorem and its Converse
A ladder is placed in such ...
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Asked on December 20, 2019 byPalak Akhani
A ladder is placed in such a way that its foot is at a distance of 5 m from a well and its top reaches a window 12 m above the ground. Determine the length the ladder.
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ANSWER
We have,
Let the length of ladder=x m
Now, distance between foot of ladder and wall=5m
Height of the window from to ground=12m
∴ By using the hypotenuse theorem
∴x2=(12)2+(5)2
x=144+25
x=169
x=13
Length of the ladder is 3m
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